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Problem: A shopper in a supermarket pushes a cart with a force of 35.0 N directed at an angle of 25.0° downward from the horizontal.
Part A: Find the work done by the shopper on the cart as he moves down an aisle 50.0 m long?
I need help to find the work done by the shopper on the cart as he moves down an aisle 50.0 m long.
A power station delivers 520 kW of power at 12,000 V to a factory through wires with total resistance 3.0. Find how much less power is wasted
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Air at 80 kPa, 27 degrees C and 220 m/s eneters a diffuser at a rate of 2.5 kg/s and leaves at 42 degrees C. the exit area of the diffuser is 400 cm2. the air is estimated to lose heat at a rate of 18 kJ/s during this process.
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What is the speed of the projectile immediately before it hits the ground if air friction does one and a half times as much work on projectile when it is going down as it did when it was going up.
A proud deep-sea fisherman hangs a 65.0 kg fish from anideal spring having negligible mass. The fish stretches thespring 0.120 m. What is the period of oscillation of the fish if it is pulleddown and released
Three positive particles of charges 1 ?C, 2 ?C, 3 ?C, and 4 ?C, are located at the corners of a square of side 1 cm. Calculate the potential in the center of the square
After fixing a flat tire on a bicycle you give the wheel a spin. For what length of time did the wheel rotate
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