Analyzing an Example of the Interaction of Spheres Try it
Which of the spheres interact in the formation of coal?
Check all that apply.
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Read the paragraph, and then answer the question.
Coal is a black, hard substance formed from the remains
of living things that existed a long time ago. The remains
were buried and exposed to pressure and temperature
underneath Earth's surface. Over time, these remains solidified.

explanation:

newton's third law, for every action there is an equal and opposite reaction.

power out to power in less than 100%

note: the given question is incomplete.

complete question is given below.

which is an example of kinetic energy?

a. the energy stored in ethanol  

b. a hockey puck sliding across the ice  

c. a compressed spring  

d. a ball sitting at the top of a ramp

solution: the kinetic energy is the energy posses by the virtue of the motion of the object.

in the given options, a, c and d are the example of potential energy because it is the energy posses by the virtue of the rest of the object. but option b has the kinetic energy as the object is in motion.

hence, a hockey puck sliding across the ice   is the apex example of kinetic energy.

so, the option (b) a hockey puck sliding across the ice   is the correct option.