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Q1. A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 550 N. As drawing shows, she is closer to the left cliff than to the right cliff, with the result that tensions in the left and right sides of the rope are not the same. Find the tensions in the rope (a) to the left and (b) to the right of mountain climber.
Q2. A trapeze artist swings in simple harmonic motion with a period of 4.2s. The acceleration of gravity is 9.81m/s2. Compute the length of the cables supporting the trapeze.
A person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
The angular momentum of Earth is constant
A heavy piece of hanging sculpture is suspended by a 146.0 cm long, 8.03 gm wire. When the wind blows hard, wire hums at its fundamental frequency of 113.0 Hz. What is the mass of the sculpture (in kg) assume that the local acceleration due to gravit..
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