Question

Which of these types of energy would ALL moving objects definitely have?

P - light energy
Q - kinetic energy
R - sound energy

1only Q
2only Q and R 
3only Q and P
4all - P, Q and R 
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Answer 1

Answer:

2) only Q and R.

Explanation:

kinetic energy (KE) of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.

Sound is a mechanical wave and as such consists physically in oscillatory elastic compression and in oscillatory displacement of a fluid. Therefore, the medium acts as storage for both potential and kinetic energy.

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