A basketball (mb = 0.625 kg) bumps with a volleyball (mv = 0.280 kg). The basketball was initially travelling at 1.2 m/s [E] and the volleyball at 2.1 m/s [W]. If the basketball’s final velocity is 0.80 m/s [W], a) what is the volleyball’s final velocity?

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

Supply is the markets term for selling a specific quantity of products at various prices. the law of supply and demand is the one which affect the pricing and also the quantity the market is able to produce or make available.

Answerit increases at a steady rate;