1) A bug is on the rim of a disk of diameter 14 in that moves from rest to an angular speed of 78 rev/min in 4.4 s.
a. What is the tangential acceleration?
b. What is the tangential velocity of the bug at the end of the 4.4 s?
c. One second after the bug starts from rest, what is its total acceleration?
d. What angle does this acceleration make with ac?
2) 1.6 kg object moving at a speed of 4.3 m/s strikes a(n) 0.86 kg object initially at rest. Immediately after the collision, the 1.6 kg object has a velocity of 0.99 m/s directed 390 from its initial line of motion. What is the speed of the 0.86 kg object immediately after the collision?