Questions 3-4 A 1kg ball is released from rest from an initial height of 1m, rolls down and is brought to rest from a spring as it
compresses a distance x as shown in the figure. Assume NO
energy losses to the surrounding environment:
lego
3. The kinetic energy of the cart at point B is nearly
(A) 5 (B) 10) (C) 20 J (D) 40 )
(E) 80J

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line