A ball swings in a vertical circle at the end of a rope 1.40 m long. When the ball is 36.3° past the lowest point on its way up, its total acceleration is (-22.5 i + 20.2 j) m/s2.
(a) Determine the magnitude of its radial acceleration.
_______m/s2
(b) Determine the speed and velocity of the ball.
speed
________m/s
velocity
_________m/s (magnitude)
__________° (above the horizontal)