A small hockey puck slides without friction over the icy hill shown in Fig. 7.6 and lands 6.20 m from the foot of the cliff with no air resistance. Its speed Vo at the bottom of the hill is

closest to:

(Cliff height is 8.5 m)

(Length of base of cliff is 15.3)

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

The energy equivalent of the rest mass of an electron is