0.9 solar mass The radius is smallest for a white dwarf. A common unit of mass used in astronomy is the solar mass, which is roughly 2 10 kg. It is frequently employed to denote the masses of other stars.
Including black holes, galaxies, nebulae, star clusters, and more. In other words, the atomic radius is smaller because the electrons are being drawn closer to the nucleus by a stronger force of attraction. Additionally, anions are larger than their corresponding atoms due to electron-electron repulsion, which causes them to spread apart. It follows that Cl has the shortest radius. Almost every aspect of a star, including its brilliance, size, evolution, longevity, and ultimate fate, is governed by its starting mass.
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in which direction (toward or away from the magnet) does the loop swing if the magnet is moving away from the loop? in which direction (toward or away from the magnet) does the loop swing if the magnet is moving away from the loop? toward the magnet away from the magnet the loop doesn't move.
The direction of loop is toward the magnet when magnet is moving away from loop .
If you imagine an electron moving in a straight line - like electrons moving through a wire - then they create a magnetic field. But if you are moving at the same speed as the electrons, then there is no magnetic field - imagine two electrons moving in parallel, the only force between them is electromagnetic repulsion. Because they don't move at all in a common frame of reference. But as measured from some other frame of reference, they are affected by a different magnetic field.
It follows the right hand rule. Curl the fingers of the right hand in the direction of the current and the thumb of the right hand will point in the direction of the magnetic field inside the loop.
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a negative point charge is at the center of a hollow insulating spherical shell, which has an inner radius and an outer radius . there is a total charge of spread uniformly throughout the volume of the insulating shell, not just on the surface. what is the electric field at postion r away from the center? use as the electric constant.
The electric field at position r away from the center is E = Q / 4ε₀[tex]\pi[/tex][tex]r^{2}[/tex]
An electric field can be thought of as the electrical property associated with every point in space where charge in any form is present.
An electric field is also described as the electric force per unit charge.The electric field formula is given as; E = F/QWhere,
E is the electric field.
F is force.
Q is the charge.
The electric field is easily found using Gauss's law, which states that the total electric flux from a closed surface is equal to the enclosed charge divided by the permittivity. Mathematically, [tex]\int\limits {E} \, ds[/tex] = (1/ ε₀) * qThe magnitude of the electric field can be determined using the Coulomb force F on the test charge q.
Mathematically, E = Q / 4ε₀[tex]\pi[/tex][tex]r^{2}[/tex]If the field is created by a positive charge, the electric field will point radially outward, and if the field is created by a negative charge, the electric field will point radially inward.The electric field at position 'r' away from the center is E = Q / 4ε₀[tex]\pi[/tex][tex]r^{2}[/tex].
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a 1.00 kg crate is placed at the top of a 0.0 incline i.00 m in length and is released. the coefficient of friction , between the crate and the incline is 0.15. what is the work done by the frictional force on the body as it slides down the incline g
The work done by the frictional force will be 0 Nm. Since the crate is released at the top of the incline and there is no initial velocity, it will not move and the work done by the frictional force will be zero.
The work done by the frictional force on the body as it slides down the incline can be calculated using the formula:
Work = Force * Distance
In this case, the force of friction is equal to the coefficient of friction, 0.15, multiplied by the weight of the crate, 1.00 kg * 9.8 m/s^2 = 9.8 N. The distance the crate travels is the length of the incline, 0.0 m.
Therefore, the work done by the frictional force on the body as it slides down the incline is:
Work = 0.15 * 9.8 N * 0.0 m = 0.0 Nm.
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Correctly label the different filaments of a sarcomere. Mline Thick filament Thin filament Myofiber Sarcomere Z disc A band Contains myosin
The labeling of the different filaments of a sarcomere shown below -
What about sarcomere?Sarcomere is the smallest functional unit of striated muscle tissue. It is repeating unit between two z-disc. In striated muscle sarcomere, the M-line is the attachment site for the thick filaments. The M-line is in the center of the A band and thus, it is in the center of sarcomere.
Actin and myosin, the two primary protein filaments that make up each sarcomere and are the functional elements in charge of causing muscle contraction. The sliding filament theory is the most widely used model for describing muscle contraction.
The labeling are shown below:
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The complete question is as follows:
16. Ice has lower density than water because ice: A) molecules vibrate at lower rates than water molecules: B) molecules are more compact in the solid state. sinks_ is made of open-structured, hexagonal crystals: closed sealed can of air placed ona hot stove. The contained air undergoes an Consider increase in: A) volume_ B) mass_ density . pressure and temperature. 18_ Diffraction is a result of: A) refraction: B) reflection. dispersion: interference_ thin film on water are demonstration of: Colors seen when gasoline forms interference_ B) refraction _ C) dispersion. D) reflection_ 19_ 20. Flectromagnetic waves can travel: through a vacuum. through medium through either & medium o a vacuum: D) through a current:
When water freezes, the water molecules create a crystalline structure that is held together by hydrogen bonding.
define density ?
The density of a material indicates the density of that material in a specified region. The density of a substance is defined as its mass per unit volume. Density is a measurement of how closely stuff is packed together. It is a distinct physical attribute of a certain thing. Archimedes, a Greek scientist, developed the density principle. If you know the formula and understand the units, calculating density is simple. The sign indicates density, which may also be represented by the letter D.
Water molecules develop a crystalline structure when it freezes, which is sustained by hydrogen bonding. The density of solid water, or ice, is lower than that of liquid water. Because the orientation of hydrogen bonding leads molecules to push further apart, ice has a lower density than water.
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amy goes for her morning walk. she walks 100 m east in 2 minutes. she then walks 200 m north in 4 minutes. which is true about the velocity with which she walks? a the velocity with which amy walks changes because the direction in which she walks varies. b the velocity with which amy walks is constant because the speed at which she walks is constant. c the velocity with which amy walks changes because the speed at which she walks varies. d the velocity with which amy walks is constant because the direction in which she walks is constant.
The velocity with which Amy walks is constant because the speed at which she walks is constant.
Speed is the rate at which an object moves.
Distance is the total movement of an object without any regard to direction.
The formula for speed - distance - time is mathematically given as:
Speed = Distance/Time
Here she first walks 100 m east in 2 minutes. i.e. Speed = 50 m/minThen she walks 200 m north in 4 minutes. i.e. Speed = 50 m/minIn both the cases, speed remains constant.
So the velocity with which Amy walks is constant because the speed at which she walks is constant.
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In the Doppler effect it is important to distinguish between?
O frequency and speed. O speed and velocity. O speed and acceleration. O distance and displacement.
In the Doppler effect it is important to distinguish between
O Frequency and the Speed.
The Doppler effect tracks the change or variation in the frequency of a wave in response to the movement its source in a direction towards or away from it.
The distinction between frequency and and speed is very important in Doppler effect as the movement of the source towards or away from the wave cause the wave to spread out or bunch up depending upon the given area such that it leads to the change in the pitch of the wave.
The more the speed, i.e the faster that the source moves the greater would be the change created in the pitch.
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Which one of the following relationship between the wave length (λ) and frequency and the speed (C) of the electromagnetic wave is correct?A. C=v+λ
B. C=λv
C. C=vλ
D. C=1vλ
Inverse proportions exist between frequency and wavelength. The speed of light has a direct relationship with f and, or c=f.
What exactly is an electromagnetic wave?
electromagnetic wave, noun: any of the waves that are transmitted by periodic fluctuations in both the electric and magnetic fields and which include radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays.
How would you define an electromagnetic wave example?
Electromagnetic waves include those produced by radio and television signals as well as microwaves. Just the wavelength separates them from one another. The separation between one wave's peak and the next is known as the wavelength.
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After landing on Mars an astronaut performs simple experiment by dropping rock: A quick calculation using the drop height and the time of fall yields a value of 3.73 m/s? for the rock's acceleration_ Find the mass of Mars, given that its radius Rm = 3.39x 106 m (Ans: 6.43 x 1023 kg] (Continued from the previous question) What is the acceleration due to gravity at a distance r = 2RM from the center of Mars? [Ans: 0.933 m/s?]
The acceleration due to gravity at a distance r = 2RM from the center of Mars will be 0.933 m/s².
What is acceleration?
In mechanics, acceleration is the rate of change of an object's velocity with respect to time. Acceleration is a vector quantity (as long as it has magnitude and direction). The direction of an object's acceleration is given by the direction of the net force acting on that object. As described by Newton's second law, the magnitude of an object's acceleration is the combined effect of two causes. ) The mass of this object is inversely proportional to the mass of the object, depending on the material the object was made from.
The SI unit of acceleration is meters per second square.
Therefore, The acceleration due to gravity at a distance r = 2RM from the center of Mars will be 0.933 m/s².
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Which of the following represents the correct relationship between frequency and angular frequency?
a) ω=2πf b) ω=πf c) f=2πω d) f=πω
The suitable formula for the relationship between frequency and angular frequency is f=2r. A recurring event's frequency is measured by how many times it occurs in a unit of time.
What pitch does the universe have?
You may connect with the cosmos through this music's 432 Hz frequency and experience the power of the creative source. We use the 432 Hz frequency to help the unconscious become aware of how we shape our world.
What frequency causes harm to people?
The only known negative health consequences of RF field exposures in the frequency range from 3 kHz to 300 GHz relate to the occurrence of tissue heating and nerve stimulation (NS) from brief (acute) exposures, despite the advent of several further research papers on RF fields and health.
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a 1.6 mm -long string is fixed at both ends and tightened until the wave speed is 50 m/sm/s.
The equation for velocity is typically written as v = f x lamda, which means that f1 x lamda1 = f2 x lamda2 and that 24 x 2L/n = 36 x 2L/n+1 and 2/n = 3/n+1 and n = 2
What is the equation for a string's wave speed?The linear density and tension v=FT can be used to determine the wave's speed. According to the equation v = FT, the tension would need to be increased by a factor of 20 if the linear density was to grow by a factor of almost 20.
How is speed determined?Use the speed formula, s = d/t, which states that speed is equal to distance divided by time, to solve for speed or rate. Use the time formula, t = d/s, which states that time is equal to distance divided by speed, to solve for time.
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Pre-lab ASSIGNMENT 16B Anatomy of the Endocrine System Complete the labeling activity in FIGURE 16.2 by identifying each of the glands or structures shown 限 16 FIGURE 16.2 Endocrine glands, models LAB EXERCISE 16 The Endocrine System
The endocrine glands of endocrine system are mentioned as follows -
1. Hypothalamus
2. Anterior Pituitary
3. Posterior Pituitary
4. Thyroid gland
5. Adrenal glands
6. Testis
7. Pancreas
8. Parathyroid gland
9. Ovary
Hypothalamus is the control coordinating centre and maintains homeostasis. The anterior pituitary is responsible for cellular processes and posterior pituitary maintains ion balance. Thyroid gland regulates metabolism, adrenal glands prepare body for stress conditions.
Testis is responsible for secondary characteristics of males, pancreas aids digestion, parathyroid gland has role in calcium and phosphorus levels and ovary is responsible for reproduction.
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consider the following circuit. after leaving the switch at the position a for a long time, move the switch from a to b. there will be current oscillations.
After leaving the provided switch at the given position for a longer time, then its moves given switch from a to b. At t = 0, the left part of the plate C has charge q=max and therefore, the current flowing through it is zero.
Oscillation is the repetitive or periodic variation, usually in time, of a few degree approximately a crucial value (regularly a factor of equilibrium) or among or extra one-of-a-kind states. Familiar examples for all oscillation encompass a swinging type of pendulum with alternating current. A wave is stated to oscillate, which means to transport to and fro in a regular, repeating way.
This fluctuation may be among extremes for all position, like force, or quantity. Different sorts of waves have one-of-a-kind sorts of oscillations. Longitudinal type of waves: here Oscillation is parallel route of the wave.
The maximum charge stored in the capacitor is,
Q== CE .......(1)
i=0
At t=t/4 the left part of the plate C has charge q = 0 and therefore, the current flowing through it is clockwise.
i= clockwise
At t=t/2, the left part of the plate C has charge q=-9max and therefore, the current flowing through it is zero.
i=0
At t=3t/4, the left part of the plate C has charge q=0 and therefore, the current flowing through it is counter clockwise.
i=counter clockwise.
At t = 0, the left part of the plate C has charge q=max and therefore, the current flowing through it is zero.
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Correctly label the following anatomical features of the neuroglia. Ependymal cell Astrocyte Myelinated axon Neurons Microglia Capillary Oligodendrocyte wa
Neuroglia: Nervous system composed of two types of cells. A cell that generates and propagates action potential is called neuron and other types of cells that protect and nourishes the neurons called neuroglia. In the CNS there are four types of neuroglia cells.
Astrocytes: Look like star and found in more number. It is the largest glial cells in th CNS and it give strength and support to the neurons
Oligodendrocytes: It is smaller but look like astrocytes and it is responsible for the formation of myeline sheath. Axons that are covered with myeline sheath is called myelinated axon
Microglia: Small cells with number of spine like projections. Its function is phaogocytosis, engulf the bacteria
Ependymal cells: Epithelial cells with villi and cilia and it for blood cerebrospinal fluid barrier.
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a ball is thrown vertically into the air. when it returns after an interval of two seconds
The final possible sentence is, "It accelerates downward vertically at a rate of 10 m/s/s when it leaves the hand."
Why would the ball Accelerate downwards?The ball experiences the effects of the acceleration caused by gravity at every moment of its motion (10 m/s2 is assumed). Whatever the ball's elevation, this is true. Gravitational acceleration is always downward-pointing (not up).
The motion is kinematically defined by a parabola with branches heading downward as a function of time (motion under constant acceleration), with the vertex marking the highest height the ball can reach in the absence of air resistance. The time spent moving up and down is equal because the two branches (which represent motion in both directions) are equally spaced from the vertex.
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The given question is incomplete, the complete question is:
A ball is thrown vertically into the air and when it returns after an interval of 2 seconds, it is caught. Which one of the following statements is true if the acceleration due to gravity is 10 m/s/s and air resistance can be neglected?
The acceleration at the top of its flight is 10 m/s/s upwards.
The acceleration at the top of its flight is 0 m/s/s.
The time taken for the descending motion does not equal the time taken for the ascending motion.
The acceleration after it leaves the hand is 10 m/s/s downwards.
A neutron star is as dense as: a. styrofoam b. water c. The Nucleus of an Atom d. A white dwarf star e. The center of the Earth
A neutron star is as dense as The Nucleus of an Atom . Option C is correct.
What is a neutron star?The collapsing core of a large supergiant star with a total mass of between 10 and 25 solar masses—possibly even more if the star was very metal-rich—is what we refer to as a neutron star. Neutron stars are the tiniest and densest class of stellar objects currently known, with the exception of black holes and other hypothetical phenomena.
When a big star runs out of fuel and collapses, neutron stars are created. The core of the star, which is its most central portion, collapses, fusing every proton and electron into a neutron.
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a person stands on a scale in an elevator. his apparent weight will be the greatest when the elevator a person stands on a scale in an elevator. his apparent weight will be the greatest when the elevator is moving upward at constant velocity. is moving downward at constant velocity. is standing still. is accelerating downward. is accelerating upward.
His apparent weight will be the greatest when the elevator accelerating upward.
What is accelaration?acceleration is the rate of to the change of the velocity of an object with respect by time.
When a person stand in an elevator moving upwards, he feels heavier because the elevator's floor presses harder on his feet, and the scale will show a higher reading than when the elevator is at rest.
According to Newton's second law
R = mg + ma
where;
R is the reading of the scale = apparent weight of the person
mg is the normal weight of the person
ma is the upward force acting on the person
Therefore, his apparent weight will be the greatest when the elevator is accelerating upward
(c) is accelerating upward
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a thin wire 7.0m long has a charge of 1 nC. Find the electric field strength 2.0 mm from the edge of the wire along the axis of the wire.
Answer:
1400
Explanation:
because when the 70m long x20m lone will give u 1400 then u time it with 1 that will give u 1400
a planet of mass =7.15×1024 kg orbits a star of mass =1.95×1029 kg in a circular path. the radius of the orbit is =5.95×107 km. what is the orbital period planet of the planet in earth days?
The angular frequency obtained is 3.76 × 10⁻⁷ rad/sec. The orbital period planet of the planet in Earth days is 193.51 days.
Given data:
Mass of the planet (m) = 7.15 × 10²⁴ kg
Mass of the star (M) = 1.95 × 10²⁹ kg
Radius of the orbit (r) = 5.95 × 10⁷ km
Orbital period is given by T = (2π) ÷ ω
we know that,
(GMm) ÷ (R)² = mω²R
ω = √(GM) ÷ R³
On substituting the value:
ω = 3.76 × 10⁻⁷ rad/sec
The time period is:
T = (2π) ÷ 3.76 × 10⁻⁷
T = 16719389.62 sec
Hence on converting from seconds to days the time period obtained is:
T = 193.51 days.
Therefore, The orbital period planet of the planet in Earth days is 193.51 days.
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the explosive tnt has a heat of combustion of 3406 kj/mol. is this higher or lower than sugar?
TNT's heat of combustion is 3406 kJ/mol lower than that of sugar, which is 5639 kJ/mol. TNT burns at a lower temperature, which means that it will explode more quickly. For sugar, the heat-up period will be somewhat longer.
What is Heat?Heat is the result of the movement of kinetic energy within a material or an item, or from an energy source to a material or an object. Radiation, conduction, and convection are the three mechanisms through which such energy can be transferred.
What is TNT?The term "TNT equivalent," which is frequently used to refer to the energy produced in an explosion, is a typical approach to transmit energy. A metric ton (1,000 kilograms) of TNT is equal to 4.184 gigajoules, or roughly the amount of energy released when a ton of TNT detonates.
Hence, TNT's heat of combustion is 3406 kJ/mol lower than that of sugar, which is 5639 kJ/mol.
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The speed of light is c=299,792,458m/s a. Write this value in scientific notation. b. What is the value of c to four significant figures?
Answer:
Explanation:
sci notation: 2.99792458 x 10^8
4 sig figs: 2.998 x 10^8
You are standing in front of a concave mirror. Your image appears enlarged and upside down. Where are you standing relative to the mirror?
between the focus & the centre of curvature of the mirror
what are the currents in the inductor, in resistor r1, and in resistor r2 immediately after the switch is closed?
The current in both the resistors that is r1 and r2 will be zero after the switch is closed.
What is a resistor ?The capacitance and inductance can have undesirable effects in high frequency circuits, such as in radio electronics. The majority of foil resistors have a low parasitic reactance, but wirewound resistors are among the worst. The resistor's electrical noise level needs to be as low as feasible for precise applications like audio amplifiers.
Since it cannot change instantly, the current through the inductor is zero when the switch is first closed.
This indicates that the inductor behaves like an open circuit and that all of the voltage is applied across it.
The magnetic field gets stronger as the current ramps up from zero.
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a block of wood has specific gravity 0.80. when placed in water, what percent of the volume of the wood is above the surface?
20% of the total volume of a wood is above the surface.
Explain the term specific gravity?Specific gravity, also referred to as relative density, is a measurement of a substance's density in relation to water's density.The specific gravity may be calculated by dividing the substance's weight in grams by its volume in cc.An individual block of wood has a specific gravity of 0.80.
The ratio of the a material's density compared to that of a standard substance is its specific gravity, sometimes referred to as relative density.The term "buoyancy" refers to the upward force a fluid applies to a submerged item in a gravitational field.When an object is submerged in a fluid, the pressure applied to its bottom surface is greater than the pressure applied to its top surface because pressure in fluids increases with depth.Thus, 20% of the total volume of a wood is above the surface.
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Why does the Sun emit neutrinos? Solar flares create neutrinos with magnetic fields_ Convection releases neutrinos, which random walk through the radiation zone. The Sun does not emit neutrinos Neutrinos are a by-product of fusion in the Sun's core in step of the p-p process
The Sun emit neutrinos because of the fusion in the Sun's core creates neutrinos.
Most of the neutrinos that are currently flowing through you came from the sun. Every second, a hundred billion solar neutrinos travel through our fingernail.
Nuclear fusion occurs in the sun, where it results in the creation of neutrinos. Protons, the nucleus of the most basic element, hydrogen, combine during fusion to create helium, a heavier element.
As a result, neutrinos and energy are released, which will eventually manifest on Earth as light and heat.
These solar neutrinos represent an overall energy emission from the Sun of about 1%. Every second, the Sun emits 1038 neutrinos, each carrying 4 1024 W of electricity.
The sun's core can also be directly understood through the use of solar neutrinos. Unexpectedly, neutrinos generated in the sun's core reach to
Earth before light from the sun (formed in the same reaction), something we would not expect. This isn't because neutrinos can move more quickly than light since they can't.
Neutrinos encounter with matter so infrequently that they are able to immediately depart the sun's dense core, whereas photons (the light particles) bounce around before breaking free.
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za stack emitting 80 g/s of no has an effective stack height of 100 m. the windspeed is 4 m/s at 10 m, and it is a clear summer day with the sun nearly overhead. estimate the ground-level no concentration
The ground-level no concentration 57.2 micro gram per cubic meter.
Calculation:-
C ( 2, 0.1, 0) = 80/π × 5.65 × 289.9 × 233.6 × exp ( -100²/2 × 289.9 ²) × exp ( -100²/2× 255.6²)
=
57.2 micro gram per cubic meter.
Wind speed affects climate forecasting, aviation and maritime operations, creation projects, increase and metabolism price of many plant species, and has limitless other implications. be aware that wind course is normally nearly parallel to isobars (and not perpendicular, as one might assume), due to Earth's rotation.
The concentration in air of a pollutant to which a human being is normally exposed, i.e. between the ground and a height of some 2 meters above it.
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hen a boat sails from salt water to fresh water, the boat will float A) lower in the water. B) higher in the water. C) at the same water level.
A boat that transitions from salt to fresh water will float at a lower level in the water. due to the fact that fresh water is less buoyant than salt water. The boat will therefore flow less in fresh water.
The force that makes things float is known as buoyant force. It is the force applied to a solid object that is partially or completely submerged in a liquid. The pressure differences occurring on the opposing surfaces of an object submerged in a static fluid are what cause buoyancy. Additionally called the buoyant force. It is pretty inevitable that an object's bottom will always be deeper in a fluid than its top, which is why there is a buoyant force.
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the daily tidal range is of the least magnitude during ________.
Due to the Earth's rotation, the seas' neap tides alter every six hours or so. The Moon and the Sun's gravitational pull on the ocean's water produces the tides themselves.
What usually happens when waves approach shallow water?Waves from deep water become breaking waves when they enter the shallow water. The water particles drag along the bottom and flatten their orbit when the wave energy contacts the ocean floor (Fig. 4.18 B). When the water depth is less than half the wavelength (D 1/2 L), transitional waves are produced.
When waves enter shallow water, they frequently try to align themselves parallel to the shore.A wave's energy release when it approaches a beach or coastline creates a current that travels parallel to the shoreline. A "longshore current" is the name given to this kind of current.
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a projectile is thrown horizontally at 11.5 m/s. the projectile hits the ground 0.570 s later. what is the angle of impact the projectile makes with the horizontal ground?
The angle of impact of the projectile with the horizontal ground is 26°.
What is angle of impact in a projectile?A projectile is formed when an object is thrown in space and the only force acting on it is gravity. Angle of Impact also known as acute angle is made by the velocity vector and the normal to the target surface.
A very well known study of angle of impact is that of blood splatter analysis.
Calculation:Initial velocity of the projectile is
As the projectile is thrown horizontally the vertical component of the initial velocity is vxy=0
Horizontal component= vix= 11.5m/s
As gravitational acceleration is acting vertically downward let the vertical component of the velocity after time t=0.570s is,
vfy=0+gt
vfy=0+(0.981*0.570)
vfy= 5.59m/s
Horizontal component of the velocity does not change as there is no horizontal acceleration.
so the horizontal component of the final velocity is
vfx=vix=11.5m/s
if Ф be the angle with the horizontal then,
tan Ф=vfy/vfx
tanФ= 5.59/11.5
tanФ=0.486
Ф=tan∧-10.486
Ф=26°
So, the angle of impact of the projectile with the horizontal is 26°
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A 0.14-kg baseball is dropped from rest from a height of 2.0 m above the ground. What is the magnitude of its momentum just before it hits the ground if we neglect air resistance?
A) 0.28 kg ∙ m/s
B) 1.4 kg ∙ m/s
C) 0.88 kg ∙ m/s
\D) 0.62 kg ∙ m/s
E) 0.44 kg ∙ m/s
If a 0.14-kg baseball is dropped from rest from a height of 2.0 m above the ground, then the magnitude of its momentum just before it hits the ground would be 0.8764 kg - m / s.
What is momentum?
It can be defined as the product of the mass and the speed of the particle, it represents the combined effect of mass and the speed of any particle, and the momentum of any particle is expressed in Kg m/s unit.
As given in the problem if a 0.14-kg baseball is dropped from rest from a height of 2.0 m above the ground.
The velocity just before hitting the ground = √ ( 2 × 9.8 × 2)
= 6.26 m / s
The magnitude of its momentum just before it hits the ground = 0.14 × 6.26
= 0.8764 kg - m / s
Thus, the magnitude of its momentum just before it hits the ground would be 0.8764 kg - m/s
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