Author Question: A simple pendulum, 1.00 m in length, is released from rest when the support string is at an angle of ... (Read 87 times)

formula1 · **on:** Jul 28, 2018

A simple pendulum, 1.00 m in length, is released from rest when the support string is at an angle of 48.0 from the vertical. What is the speed of the suspended mass at the bottom of the swing? (g = 9.80 m/s2 and ignore air resistance)
a. 4.43 m/s
b. 3.82 m/s
c. 6.49 m/s
d. 2.55 m/s
e. 1.62 m/s

Question 2

A baseball catcher puts on an exhibition by catching a 0.175-kg ball dropped from a helicopter at a height of 89.0 m. What is the speed of the ball just before it hits the catcher's glove 1.00 m above the ground? (g = 9.80 m/s2 and ignore air resistance)
a. 41.5 m/s
b. 0.482 m/s
c. 1 730 m/s
d. 29.4 m/s
e. 42.0 m/s