Determine speed of collars when connected to the cord
Collars A and B are connected to the cord that passes over the small pulley at C. When A is located at D, B is 24 ft. the left of D. If A moves at a constant speed of 2 ft/s to the right, determine the speed of B when A is 4 ft to the right of D.
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What mass of water at 24.0 °C must be allowed to come to thermal equilibrium with a 1.95-kg cube of aluminum initially at 1.50 102 °C to lower the temperature of the aluminum to 77.0 °C? Assume any water turned to stream subsequently r
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When A is located at D, B is 24 ft. the left of D. If A moves at a constant speed of 2 ft/s to the right, determine the speed of B when A is 4 ft to the right of D.
A proton has an initial speed of 4.0*10^5 m/s. a) What potential difference is required to bring the proton to rest?
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A 0.22 m(micro)F capacitor by a 1.5-V battery. After being charged, the capacitor is connected to a small electric motor. Assuming 100% efficiency. A) To what height can the motor lift a 5.0-g mass?
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