Answer:
15 N
Explanation:
Which image illustrates the bending of a wave around the edge of an
obstacle?
Answer:
Explanation:
It’s C
which of the following describes glass?
A. a material that has a low resistance and allows charges to move freely
B. a material that has a high resistance and prevents charges from moving freely
C. a material that has a low resistance and prevents charges from moving freely
D. a material that has a high resistance and allows charges to move freely
Answer:
C
Explanation:
Glass doesn't move freely until it is too hot and melts.
Signals that are broken up into binary code are characterized as
Well I have 2 examples.
AM/FM radio is a perfect type of technology.
A smart phone is also a great presentation of technology.
Answer:Continuous signals
A book with a mass of 1.2 kg sits on a bookshelf. If it has a gravitational
potential energy of 50 J, how high is the shelf? The acceleration of gravity is
9.8 m/s2
A. 1.2 m
B. 4.3 m
C. 5.9
D. 2.7 m
I'm sorry, I just saw this. I hope I'm not too late.
GPE = mass * gravity * height
height = GPE/(mass * gravity)
height = 50/(1/2 * 9.8)
height = 10.2041 Meters
Suppose the initial kinetic energy and final potential energy in an experiment are both zero. What can you conclude? A. The final kinetic energy is zero. B. The initial potential energy is zero. C. The final kinetic energy is equal to the initial potential energy. D. The sum of the initial and final kinetic energies is zero.
Answer:
C. The final kinetic energy is equal to the initial potential energy.
Explanation:
Based on the Principle of energy conservation:
Sum of the Initial Energy = Sum of the Final Energy
Initial Kinetic Energy + Initial Potential Energy = Final Kinetic Energy + Final Potential Energy..........(1)
Since according to the question:
Initial Kinetic Energy = 0
Final Potential Energy = 0
The equation (1) above reduces to
Initial Potential Energy = Final Kinetic Energy
URGENT!! Please answer
Pillows ___ light
- absorb
- reflect
- refract
- All of the above
Answer:
All of the above or absorb
Explanation:
I'm pretty sure it is absorb, because it depends what type of pillow for it to reflect.
Answer:
pillows absorb light.
Explanation:reflection would have been more like a glass mirror because the mirror reflects light.
motives are activated by
A) thoughts.
B) internal physiological states.
C) external cues.
D) all of these
Answer:
D all of these gufjbihbuxhbi
A Physics question regarding circuits and electricity.
Answer:
The other bulbs would stay lit.
Explanation:
You're just unscrewing one bulb, not turning off the circuit.
Which is true about density?
A. A possible unit for density is grams.
B. Liquid gold is denser than solid gold.
C. Density is found by multiplying mass
and volume.
D. Density is independent of the
amount of the sample.
Answer:
Density is independent of the
amount of the sample. (D)
Explanation:
Because density is an intrinsic property of matter.
hope it helps!
Answer:
D. Density is independent of the
amount of the sample.
Explanation:
Density is expressed in units of mass per volume, such as g/mL or kg/m3. Because the density of a substance does not depend on the amount of substance present, density is an “intensive property”. To measure the density of a sample of material, both the mass and volume of the sample must be determined.
Hope this Helps, Pls mark as the Brainliest
Which of the following would not be considered a foul?
O A. Kicking a soccer ball past the goalie to score a goal.
O B. Intentionally pushing another player to the ground.
C. Hitting an opponent after scoring a point against your team.
O D. "Trash-talking" another player.
Answer:
A. Kicking a soccer ball past the goalie to score a goal.
Explanation:
Answer:
A. Kicking a soccer ball past the goalie to score a goal
Explanation:
The others are to be considered fouls because those choices are unfair to the game.
While answer A isn't a foul because you're just scoring a goal, unless you did something that was unfair to score that goal.
Either way, the answer is A
does space have plenty of oxygen
Answer:
I don't think so because we can't breathe in space
Explanation:
Answer:
No
Explanation:
There is no oxygen in space, so astronauts must bring tanks of oxygen
You name binary ionic compounds by naming the first element or the ___ first,
followed by the name of the second element or ____ with the ending changed to -ide.
NEED ANSWERS ASAP
Answer:
cation, anion
Explanation:
Binary Ionic Compounds- Binary means 2, ionic relates to charges. Therefore binary ionic compounds have TWO elements, with charges that cancel eachother out. The cation (or positive charge) goes before the anion (or negative charge)
example:
NaCl
Na^+1
Cl^-1
Sodium Chloride
In a 200 meter sprint there is one curve and one straightaway? true or false
Answer:
I got true
Explanation:
Not the best explanation, but my dad said it was true.
Which angle is the angle of refraction?
1
2
3
The angle of refraction is 3
The correct option is 3.
What is the angle of incidence and refraction?The angle formed at the point of incidence between the incident ray and the normal is called the angle of incidence. The angle formed between the refracted ray and the normal is called the angle of refraction. The angle of Incidence and Angle of Refraction.
What is N in Snell's law?As in reflection, we measure the angles from the normal to the surface, at the point of contact. The constants n are the indices of refraction for the corresponding media.
Learn more about the angle of refraction here https://brainly.com/question/15315610
#SPJ2
6. Explain the difference between a neutral atom and an ion?
Answer:
a neutral atom doesn't have a charge and an ion does.
Explanation:
When atoms bond they can gain or lose electrons which gives them a charge.
anion = negatively charged ion
cation = positively charged ion
A 5.00 cm tall object is placed 4.25 cm from a lens and produces an image that is 3.00 cm behind the lens. What is the magnification of the lens?
Answer:
The magnification of the lens is 0.7
Explanation:
We have,
Height of an object is 5 cm
Object is placed 4.25 cm from a lens
Image is formed 3.00 cm behind the lens.
It means u = -4.25 cm
v = -3 cm (behind the lens)
Magnification of the lens is given by :
[tex]m=\dfrac{v}{u}\\\\m=\dfrac{-3}{-4.25}\\\\m=0.70[/tex]
So, the magnification of the lens is 0.7
For each of the following solutions, name the solvent and the solute
Saltater
Seltzer water
Lemonade made from powdered drink mix
Answer:
Explanation:
The solvent in all the given solutions is water. The solute in the salt water is salt and the solute in the seltzer water or carbonated water is carbon dioxide. The solute in lemonade is lemon pulp juice.
What is a solution?A solution is the combination of a solute and a solvent. The solute can be of completely soluble , partially soluble or insoluble in the solvent. The completely dissolving solute forms a homogeneous solution.
A partially soluble or insoluble solution solutes form heterogeneous solutions. The solubility depends on the bond type, mass, pressure, temperature etc.
The solution salt water is formed by dissolving salt in the solvent, water. Similarly, the seltzer water or carbonated water is formed by carbon dioxide dissolved in water solvent.The solute in lemonade is lemon juice and solvent is water.
To find more on solutions, refer here:
https://brainly.com/question/1616939
#SPJ2
A tennis ball and a solid steel ball of the same diameter are dropped at the same time. Which ball has the greater amount of force acting on it?
The steel one.
The steel one has more force due to the weight and mass.
An object's mass is a crucial indicator of how much stuff it contains. The gravitational pull of an object is measured by its weight. It is influenced by the object's location in addition to its mass. As a result, weight is a measurement of force.
What ball has the greater amount of force acting on it?The heavier (denser) object will fall quicker if two identically sized but made of different materials objects are present. This is because both objects will experience the same drag and buoyancy forces, but the heavier object will experience a stronger gravitational pull.
Things fall to the earth faster as a result of gravity. Acceleration is a modification of velocity, and velocity is a measurement of the direction and speed of motion. The longer an object is in free fall, the faster gravity makes it tumble toward the ground.
Therefore, solid steel ball have high mass and greater amount of force acting on it.
Learn more about force here:
https://brainly.com/question/13191643
#SPJ2
A uniform electric field contains a number of particles. All are experiencing forces in the same direction as the electric field. What can be concluded from this?
All the particles have negative charges.
All the particles have positive charges.
All the particles are charged, but they may be positive or negative.
All the particles must be uncharged.
Answer: D
All the particles must be uncharged
Explanation:
If all the particles are positively charged, then there will be force of repulsion between them which will give different directions away from each other. The same is applicable if they are all negatively charged.
If the particles are positively and negatively charged, their will be force of attraction between them which will give different directions towards each other.
For all to be experiencing forces in the same direction, We can conclude that
All the particles must be uncharged.
Answer:
This picture represents the electric field diagram between two particles with static charges.
Do the two particles have the same charge?
✔ no
If the particles are free to move, what affect will the two particles have on each other?
✔ They will attract each other.
If a third particle was added to this field with a positive charge, what would it be attracted to?
✔ B
If an uncharged particle was placed between A and B, which way would it move?
✔ neither direction
Explanation:
In a series circuit, electrons only flow along one path. Given this information, which of the following is an advantage of series circuits?
A.
The voltage is the same everywhere in a series circuit.
B.
Less resistance is produced as more devices are added to the circuit.
C.
Series circuits are simpler than parallel circuits.
D.
If one part of the circuit breaks, the other parts will still be able to operate.
Answer:
C. Series circuits are simpler than parallel circuits.
Explanation:
In series circuit, all the components are connected in single path of current flow. If one part of the circuit breaks, the whole thing would break and none of the other parts would work. The voltage is not the same everywhere. It is different across each component. In series circuit, net resistance is more as resistance of all the components connected in series are added up. So, the only advantage of a series circuit is that is simpler than the parallel circuits.
3 Points
Which of the following are vectors?
Check all that apply.
A. energy
B. displacement
C. force
D. velocity
E. speed
F. mass
G. momentum
H. time
Answer:
B.C. D. G.
Explanation:
A vector quantity, has both magnitude and direction. A tip to remember is if you can add a direction to it! You wouldnt say 30 pounds north, but you would say 30 mph north.
I hope this helped! Comment if you have any questions! :)
Fossils are generally found inside of what type of rocks?
a) metamorphic rocks
b) igneous rocks
c) sedimentary rocks
d) meteorites
Answer:
C sedimentary rocks is the answer.
Explanation:
Answer:
C. sedimentary rocks
Explanation:
Fossils are the preserved remains of animal and plant life which are mostly found embedded in sedimentary rocks. Of the sedimentary rocks, most fossils occur in shale, limestone and sandstone. Earth contains three types of rocks which are metamorphic, igneous and sedimentary.
The corn plants in the image below have been grown with Lepidoptera sp. larvae, insects that feed on the corn’s cob and leaves. Select the statement that is correct, based on the image.
A. A resistance gene was inserted into the plant on the right, but the corn is still vulnerable to Lepidoptera sp. larvae.
B. A resistance gene was inserted into the plant on the right that makes the corn resistant to Lepidoptera sp. larvae.
C. A resistance gene was inserted into the plant on the left that makes the corn vulnerable to Lepidoptera sp. larvae.
D. A resistance gene was inserted into the plant on the right, but the corn cob is mutated.
Answer:
Option D is correct
Explanation:
The image on the left is the control plant which means it is the normal plant that is allowed to grow under normal regular condition so that its parameter can be compared with the parameters of the transformed plant on the right. Thus, plant on the right has been introduced with the resistance gene and hence it possess mutated cob and leaves that are not attacked by the Lepidoptera sp. larvae
Hence, option D is correct
In what way has technology used aboard the International Space Station benefitted humans back on Earth?
ASAP... Robotic arms used aboard the ISS are now used in delicate surgeries on Earth.
Air purifiers developed for the ISS now provide cleaner air for humans on Earth.
Software created for the ISS was adapted and is now used to conduct brain surgery on Earth.
Research conducted on the ISS crew about heart disease is now used to help patients on Earth.
Answer:
Robotic arms used aboard the ISS are now used in delicate surgeries on Earth.
Explanation:
The ISS allows users to address hardware product development gaps, advanced manufacturing, and emerging technology proliferation. Microgravity-enabled material production capabilities and advanced manufacturing facilities are demonstrating scientific and commercial merit for Earth benefit
Answer:
a
Explanation:
What is the volume of this rectangular prism?
1/4cm 1/3cm 1/2cm
Answer:
1/24
Explanation:
1/4 * 1/3 * 1/2 = 1/24
Answer:
1/24
Explanation:
2. The length of time you take to execute an
action is called your *blank*
time.
(a) total stopping (c) braking
(b) perception
(d) reaction
Answer:
Reaction
Explanation:
What are all the elements of a perfect graph?
Answer:
It states that a graph is perfect if the sizes of the largest clique, and the largest independent set, when multiplied together, equal or exceed the number of vertices of the graph, and the same is true for any induced subgraph
In a “minute to win it” game, cards are placed between cups to stack them. The contestant then pulls the card out in hopes that they will end with a set of stacked cups. Why does this work?
There is no friction between the card and the cup.
Inertia will keep the top cup from moving very far. Gravity will pull one cup on top of another.
The opening of the cup is so much bigger than the bottom, even though the cup moves they will both be stacked together.
Both cups are moved the same amount by the friction between them and the card.
Answer:
There is no friction between the card and the cup.
Explanation:
Answer:
The answer option to your question is A) - There is no friction between the card and the cup.
What are Earth's mineral resources and how long might
reserves last?
When light rays appear to be coming from behind a mirror, what type of image has been formed?
A.imaginary
B.real
C.plane
D.virtual
Answer:
The answer ...........may be D.
