what is the force when an object exerts 15 pascal pressure on a square surface of side 5 meters

Answers

Answer 1

Answer:375N

Explanation:

pressure =15 pascal

Length =5 m

Area=length x length

Area=5 x 5

Area=25 m^2

Force=pressure x area

Force=15 x 25

Force=375N


Related Questions

if the 50 kg objects slows down to a velocity of 1 m/s how much kinetic energy does it have?

Answers

Answer: 25

Explanation:

The kinetic energy of the object moving at the given mass and velocity is 25 J.

The given parameters;

mass of the object, m = 50 kgvelocity of the object, v = 1 m/s

The kinetic energy of the object moving at the given mass and velocity is calculated as follows;

K.E = ¹/₂mv²

K.E = ¹/₂ x 50 x 1²

K.E = 25 J

Thus, the kinetic energy of the object moving at the given mass and velocity is 25 J.

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Which of the following are two factors that determine speed?
a. acceleration and time
b. distance and time
c. velocity and time
d. motion and time

Answers

Answer:

B) Distance and Time

Explanation:

Equation for speed: S = D / T

Speed equals the distance you traveled divided by the amount of time it took to get to that destination.

The two factors which are required to determine the speed of a object are distance traveled by it and time taken by it.

What is speed?

The speed is the rate at which the total distance by a object is traveled in the time taken.

Speed of a object can be given as,

[tex]s=\dfrac{d}{t}[/tex]

Here, (d) is the distance traveled by the object and (t) is time taken but the object to cover that distance.

As the unit of the distance is measured in the meter and the time measure in the second. Thus the speed of a object is measured in the meter per second.

In the vehicles the speed of vehicle is also measured in the kilometre per hour or miles per hour.

Hence, the two factors which are required to determine the speed of a object are distance traveled by it and time taken by it.

Thus the option B is the correct option.

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what is the function of strong nuclear forces

Answers

Answer:

The strong force binds quarks together in clusters to make more-familiar subatomic particles, such as protons and neutrons. It also holds together the atomic nucleus and underlies interactions between all particles containing quarks

Explanation:

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whats my middle name....?

clues:

a_n_l i_ e

3 missing letters

fill in the blanks! hehe

Answers

Answer:

annalise

Explanation:

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Which structure connects muscles to bone?

Answers

Answer: tendons connect muscles to bones

Explanation:

Becky has a shower and uses 20,000g of water with a specific heat capacity of 4200J/KG. When the water is supplied with 336,000J of energy, it heats up to 50^c. What is the startig temperature of the water?

Answers

Answer:

46°C

Explanation:

q = mCΔT

336,000 J = (20 kg) (4200 J/kg/°C) (50°C − T)

T = 46°C

Becky takes a shower, and he uses 20,000 g of water with specific heat of 4200 J/kg then the starting temperature of the water will be equal to 46 °C.

What is Specific heat?

Specific heat is the amount of energy needed to raise a product's temperature by one degree Celsius per gram. Traditionally, the units of heat capacity are calorie or joules per gram per degree Celsius. The specific heat of water, for instance, is 1 calorie (or 4.186 joules) per gram per degree Celsius.

In the 18th century, the Scottish scientist Joseph Black noted that equivalent masses of various substances required varying quantities of heat to increase them across the same ambient temperature. Based on this discovery, he developed the theory of specific heat.

From the given data in the question,

q = mCΔT

Here ΔT is the change in the temperature.

336,000 J = (20 kg) × (4200) × (50 °C − T)

T = 46 °C

Therefore, the starting temperature of the water is 46 °C.

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An air-track glider attached to a spring oscillates between the 10.0 cm mark and the 61.0 cm mark on the track. The glider completes 11.0 oscillations in 31.0 s

Answers

Answer:

T = 2.82 seconds.

The frequency [tex]\mathbf{f = 0.36 \ Hz}[/tex]

Amplitude A = 25.5 cm

The maximum speed of the glider is [tex]\mathbf{v = 56.87 \ rad/s}[/tex]

Explanation:

Given that:

the time taken for 11 oscillations is 31 seconds ;

SO, the time taken for one oscillation is :

[tex]T = \frac{31}{11}[/tex]

T = 2.82 seconds.

The formula for calculating frequency can be expressed as :

[tex]f = \frac{1}{T}[/tex]

[tex]f = \frac{1}{2.82}[/tex]

[tex]\mathbf{f = 0.36 \ Hz}[/tex]

The amplitude is determined by using the formula:

[tex]A = \frac{d}{2}[/tex]

The limits that the spring makes the oscillations are from 10 cm to 61 cm.

The distance of the glider is, d = (61 - 10 )cm = 51 cm

Replacing 51 for d in the above equation

[tex]A = \frac{51}{2}[/tex]

A = 25.5 cm

The maximum speed of the glider is:

[tex]v = A \omega[/tex]

where ;

[tex]\omega = \frac{2 \pi}{T}[/tex]

[tex]\omega = \frac{2 \pi}{2.82}[/tex]

[tex]\omega = 2.23 \ rad/s[/tex]

[tex]v = A \omega[/tex]

[tex]v = 25.5 *2.23[/tex]

[tex]\mathbf{v = 56.87 \ rad/s}[/tex]

explain nuclear fusion briefly

Answers

Answer:

Nuclear fusion is the process in which two atomic nuclei are fused together into a larger single nucleus, releasing energy in the process. ... In proton-proton fusion, four hydrogen atoms are fused into a single helium-4 atom, releasing a lot of energy in the process.

Explanation:

The life cycle of stars may be boiled down into a tug of war, lasting billions of years, between two basic forces. In your own words, describe these forces, and identify which of the two eventually "wins" the battle.

Answers

Answer:

Stars are very massive stellar objects, which means that they have a very intense force of gravity. This is the first of the forces entering this "war".

In addition to that, due to the force of gravity that drives the star to contract, the process known as fusion occurs (the union of atoms of one element that results in another element, hydrogen fuses in stars to produce helium). The fusion created in the high temperatures of the center of the star generates an enormous amount of energy (which causes the stars to shine) and a force going outward of the star counteracting gravity, this is the second force in the "war" .

In a stable star these two forces (gravity going inward and the pressure created by the fusion going outward ) are in balance, preventing the star from exploding or collapsing. But eventually the star exhausts its "fuel" (hydrogen atoms) to produce fusion within it (although stars also fuse helium and other heavier elements, but once the hydrogen is finished the star is near its end), which decreases the force outward from the star, making the force that wins this battle to be the force of gravity.

When the force of gravity wins, the star collapses on itself and from here, depending on the star's mass, several things can happen, such as the star becoming a white dwarf, a supernova, even a black hole.

The life cycle of stars may be boiled down into a tug of war, lasting billions of years, between two basic forces -

Pressure due to fusion reactions pushes outwards.Gravity pulls inwards to keep the star in equilibrium.And gravity wins the battle in the end.

Stars are very massive stellar objects and remain the longest in the stage when it is burning Hydrogen into Helium.

Stars have a very intense force of gravity that drives the star to contract, the process known as fusion occurs.Due to fusion, high temperatures of the center of the star create an enormous amount of energy and a force of pressure going outward of the star counteracting gravityGravity going inward and the pressure created by the fusion going outward is in balance, preventing the star from exploding or collapsing.Due to exhausting hydrogen atoms, fusion stops eventually and it decreases the force outward from the star, making the force that wins this battle to be the force of gravity.

Thus,

The life cycle of stars may be boiled down into a tug of war, lasting billions of years, between two basic forces -

Pressure due to fusion reactions pushes outwards.Gravity pulls inwards to keep the star in equilibrium.And gravity wins the battle in the end.

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(x) A change in position is called:
(a) Speed
(b) velocity
(c) displacement
(d) distance

Answers

Answer:

(c) displacement

sure answer...

Hope it helps....Pls mark as Brainliest!!!

4. The batteries on electric vehicles are recharged using electricity from either a wall socket or dedicated charging
unit.
A) O True
B) O False

Answers

Answer:

Hey!

Your answer is A) TRUE!

Explanation:

The electricity in this instance is called "grid-electricity" because it has come from a generation plant elsewhere instead of recharging the batteries via Kinetic/Potential energy...

A 1 kg ball is rolling at 3 m/s.

Answers

Answer:

It will roll 9 meters in 3 seconds

Explanation:

3 m/s times 3 is 9

Thanks for warning me.

I'll be careful to stay out of its way.

Do you have a question to ask ?

Each gas sample has the same temperature and pressure. which sample occupies the greatest volume? each gas sample has the same temperature and pressure. which sample occupies the greatest volume? 40.0 gar 20.0 gne 20.0 gh2 4.0 ghe

Answers

Answer:

20 gram of H as the greastest volume

Explanation:

Each gas sample has the same temperature and pressure. which sample occupies the greatest volume? each gas sample has the same temperature and pressure. which sample occupies the greatest volume? 40.0 gar 20.0 gne 20.0 gh2 4.0 ghe

Given that,

40.0 g of Ar

20.0 g of Ne

20.0 g of h

24.0 g of he

The ideal gas equation ; Pv = nRT

where P is the pressure, V is the volume, R is the gas constant, T is the temperature, n is the number of mole

which is equal to

n = m / M

where m is the given mass

M is the molar mass

The given gas sample are at the same temperature and pressure,

So, the temperature, pressure and gas constant are fixed.

Therefore the volume is proportional to the given mass and molar mass

V ∝ m/M

Substitute the given mass and molar mass of given masses for comparison

No of mole of Ar = mass / molar mass

= 40 / 40 = 1 mole

No of mole of Ne = mass / molar mass

= 20 / 20 = 1 mole

No of mole of h = mass / molar mass

= 20 / 1 = 20 mole

No of mole of he = mass / molar mass

= 24 / 4 = 6 mole

Hence, 20 gram of H as the greastest volume

A balance between gravity and bouyancy is called

Answers

Answer:

I believe it is isostasy

Explanation:

Choose the best definition for velocity
1. How fast something is going
2. Speed in a certain direction
3. Which direction something is going
4. Something speeding up

Answers

It’s speed in a certain direction.

Which statement is NOT an advantage of renewable resources? A They produce clean energy. B They are expensive to collect and transform into energy. C They are safe for the environment. D They replenish quickly.

Answers

Answer:

B. They are expensive to collect and transform into energy.

Explanation:

All of the other options are positive aspects of renewable resources. B is the only disadvantage of renewable resources given in the question.

Answer:

They are expensive to collect and transform into energy.

Explanation:

Edge

you drop a rock off of a cliff, and it hits the ground 8.1 seconds later. how tall is the cliff?

Answers

Answer:

the answers is 321 m

Explanation:

here's a picture of it

please answer I'll give brainlist
Assuming the sound wave moves with the speed of air ( 340 m/s), what is the wavelength of the wave?

Answers

Answer:

suppose frequency of sound = 100Hz

then wavelength = speed/ frequency

= 340/100= 3.4 m


What flows in a circuit to generate a current?
A. Protons
B. Electrons
C. Neutrons

Answers

Answer B: Electrons

Explanation:
Protons and Neutrons stay inside (in the middle) of the molecule. Electrons move around, outside the molecule.

I hope this helps!!

Rafael swings a baseball bat with a force of 25 N. The baseball bat exerts a force of 5 N on the baseball. What is the mechanical advantage of the baseball bat? The mechanical advantage of the baseball bat is

Answers

Answer:

0.2

Explanation:

Mechanical Advantage is defined as the ratio of force output with respect to the force input. Thus,

MA = output / input

MA = 5 / 25

MA = 1/5

MA = 0.2

Since this value is less then one. Even though it's tagged a mechanical advantage, in reality it would be mechanical disadvantage.

Therefore, we can say that the mechanical advantage of the baseball bat is 0.2

Answer:

0.2

Explanation:

can someone tell me the answer for both of these pleaseeee i need it asap!!! i will give brainlist!!

Answers

Answer:

1/ decreases

2/ yes;

In general there is no relationship, and any combinations of frequencies and amplitudes are allowed.

Explanation:

Explanation for 1/ - please see the picture attached below

What major purposes do barrier islands serve?

Answers

Answer:

Barrier islands serve two main functions. First, they protect the coastlines from severe storm damage. Second, they harbor several habitats that are refuges for wildlife.

Explanation:

A popcorn-maker transfers 250 J of energy into other energy stores every second. What is its power?

Answers

Answer: 250 watts

Explanation:

energy=250J

Time=1 sec

Power=energy ➗ time

Power=250 ➗ 1

Power=250

Power is 250 watts

The Power will be "250 Watts".

According to the question,

Energy,

250 J

Time,

1 second

The formula,

→ [tex]Power =\frac{Energy}{Time}[/tex]

By substituting the values, we get

              [tex]= \frac{250}{1}[/tex]

              [tex]= 250 \ Watts[/tex]

Thus the above approach is right.

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Uranium-235 has 92 protons. How many neutrons does it have?

Answers

Answer:

146 neutrons.

Explanation:

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Answer: The atomic number of uranium (see periodic table) is 92, and the mass number of the isotope is given as 238. Therefore, it has 92 protons, 92 electrons, and 238 — 92 : 146 neutrons.

Explanation:

Intro to Springs and Hooke’s law

Answers

A spring is an object that can be deformed by a force and then return to its original shape after the force is removed.
Springs come in a huge variety of different forms, but the simple metal coil spring is probably the most familiar. Springs are an essential part of almost all moderately complex mechanical devices; from ball-point pens to racing car engines.
There is nothing particularly magical about the shape of a coil spring that makes it behave like a spring. The 'springiness', or more correctly, the elasticity is a fundamental property of the wire that the spring is made from. A long straight metal wire also has the ability to ‘spring back’ following a stretching or twisting action. Winding the wire into a spring just allows us to exploit the properties of a long piece of wire in a small space. This is much more convenient for building mechanical devices.

Un trineo de 8.00kg se mueve en línea recta sobre una superficie horizontal sin fricción.En cierto punto su rapidez es de 4.00m/s 2.50m más adelante es de 6.00m/s

Answers

Answer:

An 8 kg sled mass moves in a straight line on a surface without horizontal friction at a certain point its speed is 4 m / s 2.50 m later its speed is 6 m / s using the work and energy theorem, determine the force acting on the sled assuming it is constant and acts in the direction of the sled movement

The force acting on the 8 kg sled has a value of 32 N.

Explanation:

We have initially look for the work that is applied to the sled, and this will be nothing more than the difference in kinetic energy from the end point to the initial, then:

ΔEc = Ec₂ - Ec₁

ΔEc = 0.5 * m * [V₂² - V₁²]

ΔEc = 0.5* 8 kg * [(6m / s) ² - (4m / s) ²]

ΔEc = 80 J

So, the work is 80 J, now we know that work is a relation distance and force , such that:

W = F * d

F = W / d

F = (80 J) / (2.50 m)

F = 32 N

Therefore, the force acting on the sled is 32 N.

Which of the following planets has a diameter that is larger than the diameter of the Earth?

Answers

Answer:

Jupiter

Explanation:

Jupiter is the largest planet in our solar system and is about 11 times larger than earth.

What are the pros and cons of nuclear fission

Answers

Answer:

Low Greenhouse Gas Emissions. ...

High Power Output. ...

Inexpensive Electricity. ...

Nuclear Energy Doesn't Rely on Fossil Fuels. ...

Economic Impact. ...

Back-end Environmental Impact. ...

Past History of Nuclear Accidents. ...

High Up-Front and End Stage Cost.

When steam condenses
a. it changes from the gas phase to the liquid phase.
b. it gives off heat.
c. molecules move closer together.
d. all of the above occur.

Answers

A is the correct answer

Answer:

all of the above?

Explanation:

I think that is

a bicyclist rides with a constant speed of 7 m/s. What is his initial speed?

Answers

Answer:

initial speed of the bicker = 7m/s

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