The system shown is at rest when a constant 150-n force is applied to collar

b. neglect friction. (a) if the force acts through the entire motion, determine the speed of collar b as it strikes the support at

c. (b) after what distance d should the 150-n force be removed if the collar is to reach support c with zero velocity?

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.

i think it would be 5