james is jumping rope to exercise. everytimr he jumps, he experts 54N of force against the floor .how much force does the floor exerts against james

What are the phases shown in a and d called?

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

The necleus of an atom is made up of what subatomic particles?