Explain why a basketball doesn’t bounce the same height each time you drop it.

Answers

Answer 1
Answer:

The basketball do not bounce back to the same height after each drop due to the fact of loss of kinetic energy.

Explanation:

When the basketball or any ball is dropped off from a certain height it falls down under the influence of gravity with the kinetic energy which has been transferred to the ball with hand by dribble.

When the basketball hits the ground with the kinetic energy, it loses some of the energy to the ground and then with the action reaction pair with the ground, is bounced back but with lower energy to a lower height.

Answer 2
Answer:

Hi!

So if you drop a basketball from a higher height, it has more time to gather more energy, which it then forces against the ground and causes the ball to bounce.

Hope this helps! Sorry I didn't really use any technical terms!


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How is the motion of P waves different from the motion of S waves?

Answers

S waves travel slower than P waves.

What is the speed of a bobsled whose distance-time graph indicates that it traveled 121m in 30s?

Answers

Speed = (distance covered) / (time to cover the distance)

Speed = (121 m) / (30 sec)

Speed = 4.03 m/s (about 9 mph ... pretty slow for a bobsled)

Boiling point, density, color, and conductivity are all examples of the _______ of a substance.

Answers

Physical and Chemical properties

How does increasing the tension of a spring affect a wave on the spring?

Answers

When waves travel across strings, the larger the tension of the string the faster the velocity of the wave. This is because of the equation:

v = the square root of (T/(m/L)) where T is the tension, m the mass of the string, and L the length of the string

Hope this helps!


It’s

A). wave velocity increases

Please help me! URGENT!

Answers

A physical change is a change in which no new matters are formed.

Let's get started:
1. a rusting bicycle
This is NOT a physical change because a new substance is formed.
3Fe+ 2O2 -> Fe3O4

2. breaking glass
This is a physical change.

3. melting butter
This is a physical change.
You just change the phase of butter from solid to liquid, but still there is no new substance formed.

4. burning leaves
When you burn something organic, CO2 will be formed.
Therefore, this is NOT a physical change.

5. cutting your hair
This is a physical change.

6. frying an egg
When you fry an egg, iron (Fe) in the yolk reacts with hydrogen sulfide (H2S) in the white to form iron sulfide (FeS).
Therefore, this is NOT a physical change.

7. water evaporating
With the same reason as 3, this is a physical change.

8. mixing salt and water
This is a physical change (with the same reason as 3).
NaCl (s)+ H2O -> NaCl (aq)

Hope this helps~


A physical change only includes changes in state, not the bonds. 

Answer:- 

- breaking glass
- melting butter
- cutting your hair
- water evaporating. 
- mixing salt and water 

If an oxygen has 8 protons in its nucleus what is its atomic number A.6 B.8 C.4 D.12

Answers

The atomic number = the number of protons. 

8 = atomic number

Answer is 8 !

~Sarah Robinsen