Answer: C
Explanation: After the astronaut applies force, he moves.
<span>So the question is what is an eagle flying trough the air an example of? Kinetic enegry, potential energy or released energy? So when we have a stationary object on some height h, that object has potential energy. When an object starts o change its altitude, the potential energy is transformed into kinetic energy. So the correct answer is kinetic energy because an eagle flying changes its height.</span>
Answer: Frequency of 1 ÷ 2 = 0.5 Hz.
<span>A ball is thrown downward at 5ms from roof 10m high its velocity when it reaches the ground is 0 m/s. This is because it already dropped from the ground or x axis. So the velocity already stopped. </span>