What is the potential energy of a 2 kg rock resting at the top of a 10-meter high cliff? PEg= mgh

PEg= gravitational potential energy (energy due to position- Joules)

m= mass (kg)

h= height (m)

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

Me with this and you will be marked brainliest

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.