300 The mass of a pendulum bob is 0-2 kg, and it is suspended by a string 1 m long. It is pulled aside until the thread is at 30° to the vertical. How much work is done ? The ball is now released. Find its K.E. at the lowest point ? Take g = 10 ms-2. B A

300 The mass of a pendulum bob is 0-2 kg, and it is suspended by a string 1 m long. It is pulled aside until the thread is at 30° to the vertical. How much work is done ? The ball is now released. Find its K.E. at the lowest point ? Take g = 10 ms-2. B A

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter7: Conservation Of Energy

Section: Chapter Questions

Problem 6P: A block of mass m = 5.00 kg is released from point and slides on the frictionless track shown in...

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300
The mass of a pendulum bob is 0.2 kg, and it is
suspended by a string 1 m long. It is pulled aside until the thread is at 30°
to the vertical. How much work is done ? The ball is now released. Find its
K.E. at the lowest point ? Take g = 10 ms.
A

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