Question

time

Answer 1

(a) how long does it take the ba;; to complete one single revolution
(b) how long does it take the ball to travel 20 meters
(c) If you jump vertically from ground, what will be your speed. estimate it using conservation of energy (i.e. mgz=0.5 mv^2)...i don't know what is z

Answer 2

In a circular path, the ball's path is \(\theta\) radians, so 1 revolution means
\[\theta = 2\pi r\]
Now you should use the angular velocity to find time
\[\omega=\frac{\theta}{t}\]