A mover packs books, CDs, and DVDs into a moving box. If the box contains 6. 5 kg of books, 1. 5 kg of CDs, and 2. 0 kg of DVDs, what is the percent by mass of each object in the box? Books: % of the mass CDs: % of the mass DVDs: % of the mass.

Velocity is the speed of an object in a certain direction so you'd need to know speed and direction

W= fd
where f is an applied force and d is the distance over which it is applied. when a parachuting skydiver is at constant velocity, he is experiencing "terminal velocity", the point at which his acceleration down is canceled out by air resistance. that means that the resisting force of the air is equal to his weight, but in the opposite direction. with this, we can solve for the work done by the force.
w = fd
w = (92.0)(9.81 m/s^2) (325)
w= 2.93 x 10^5 j
the value for work in this case is positive because it is pushing up on the skydiver, who has a downward force of gravity.
therefore the answer is 2.93 x 10^5 j