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A simple Pendulum is released from the horizontal position. The length of its string is 1.5 m , and the mass is 50 g. When the pendulum makes an angle of 60 degrees with the vertical, find:
a. the speed of the mass.
b. tension in the string.
c. The tangential acceleration of the mass.
A person walks first at a constant speed of 5 m/s along a straight line from point A to point B, How much distance does the person cover on her trip
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