At the National Zoo, a gorilla pushes a 14.4 kg tire across the frictionless floor of his habitat with a force of 79.2 N. What is the acceleration of the tire?

answer: option c.

explanation:

the current is 0.6

voltage ÷ resistance = current

so 12 ÷ 20 = 0.6

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.

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