A hammer weighing 200 kg is raised 3.0 m above the ground. What is its potential energy?

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving