The answer to this question is A.
Answer:
Dynamo
Explanation:
Dynamo started to rotate which is known as kinetic energy.When dynamo is in running it produces electricity.dynamo specially used for generating electricity.
Answer:
A fired bullet
Explanation:
A fired bullet is faster than the speed of sound
Wavespeed = frequency x wavelength
= 14 x 9
= 126 mm/s
= 0.126 m/s
Answer:
Vertical acceleration 9.8 m/s² downward
Horizontal acceleration 0.0 m/s²
assuming no air resistance.
