(B) 1,000 J
(C) 5,000 J
(D) 13,000 J
(E) 22,500 J
3 . A block of mass (m ) is released from the top of a frictionless incline at a distance of l from the
bottom. The block slides down the incline and then across a frictionless horizontal plane. At the far
end of the horizontal plane is a fixed spring with force constant k . What will be the maximum
compression of the spring?
(A)
(B)
(C)
(D)
(E)
4 . The following graphs represent the force (F ) applied to an experimental car of mass m . The engine
of the car can supply a maximum force (F (^) max ). Which force distribution will cause the greatest
change in kinetic energy of the car from x = 0 to x (^) f ?