PHYSICS MIDDLE SCHOOL

This experiment is to see if water flows faster out of a smaller can or a larger can. You will need:

• two cans (one quite small like a soup can and the other large, like a juice, can.)

Follow these steps:

A. Remove the top of each can. Punch a hole in the side of each can, very close to the bottom, making sure the holes are equal in size. Cover each hole with a piece of tape, and place the cans next to the sink.
B. Put water in both cans, making sure the water is at the same level - different amounts, but the same level. Turn the cans so the holes are facing into the sink, and remove the tape at the same time. Answer these questions: Do the streams of water shoot out at the same distance? Why or why not?
C. Try the same experiment, but this time put one cup of water in each can. What happens to the streams of water now?
D. Try the same experiment, but this time fill both cans to the top. What happens to the streams of water?



ANSWER A B C AND D CORRECTLY!!!

Answers

Answer 1
Answer:

the water flows faster out of a smaller can than it does a larger can.
Answer 2
Answer:

Answer:

A&B: The stem of the water does not shoot out the same distance because one can have less water and the other can have more water and the can with less water have more pressure that making the can shoot out further than the can with more water.

C: Less water will come out of the two cans because they are compressed together so all of the water is trying to come out all at the same time.

D:All of the water in the can started coming out all in one small stream.

Explanation:

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Answers

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Explanation:

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.

Answers

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
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