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A worker uses a pulley system to raise a 24.0kg carton 16.5 m. A force of 129 N is exerted and the rope is pulled 33.0m.
1. What is the MA of the pulley system?
2. What is the efficiency of the system?
An inclined plane of angle ? = 20.0° has a spring of force constant k = 495 N/m fastened securely at the bottom so that the spring is parallel to the surface as shown in the figure below. A block of mass m = 2.39 kg is placed on the plane at a dis..
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A 15m long rope of m=1.8kg is stretched such that the tension in the rope is 25N. calculate the displacement of a particle in the rope at t=10s, when the wave is at x=0.5m
can two monochromatic sources of significant frequency difference produce an observable interference pattern?in a
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A circular window with 0.5m radius on a submarine can withstand a maximum pressure of 8900 N/m^2. How deep can the sub safely dive
An RLC series circuit has a 2.50 ? resistor, a 100 µH inductor, and an 80.0 µF capacitor. Find the average power at the circuits resonant frequency
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Two people initially separated by 75 m move toward each other. One with a speed of 3 m/s, how long is it before they meet
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