A ball tied to a thread is swung around (ccw) in a circular path as shown. It st

Question

A ball tied to a thread is swung around (ccw) in a circular path as shown. It starts

with a speed of 2 m/s at point A and increases its speed uniformly at the rate of 0.5 m/s2

to reach B. l = 0.5 m

a) Compute the time it took for the ball to go from A to B

b) Compute the acceleration (magnitude and direction) of the ball at B

c) Compute the average velocity of the ball for its path from A to B

d) Compute the average acceleration of the ball for its path from A to B

e) With respect to a stationary observer at E, compute the values of at the r(dot), r(double dot), beta(dot), beta(double dot)

instant when ball is at point B (50)

A ball tied to a thread is swung around (ccw) in a circular path as shown. It starts with a speed of 2 m/s at point A and increases its speed uniformly at the rate of 0.5 m/s2 to reach B. l = 0.5 m

Explanation / Answer

1) 7.25 sec(approx)

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