A pendulum of length 1.7 m is displaced by an angle of 40 degrees and then it is let go. Calculate its speed at its lowest point.
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The gravitational potential energy at the highest point is given by the formula: PE = mgh where m is the mass of the pendulum, g is the acceleration due to gravity, and h is the height of the pendulum at the highest point. Since the pendulum is displaced by an Show more…
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