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On a day when the water is flowing relatively gently, water in the Niagara River is moving horizontally at 4.5 meter per second before shooting over the Niagara Falls. After moving over the edge, the water drops 53 meter to the water below. Neglect air resistance and assume the water is in free fall.
1) Determine how much time does it take for the water to go from the top of the falls to the bottom?
2) Obtain how far does the water move horizontally during this time?
The Starship Enterprise returns from warp drive to ordinary space with a forward speed of 58 . To the crew's great surprise, a Klingon ship is 120 directly ahead, traveling in the same direction at a mere 30 .
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Two ice skaters, Daniel (mass 60.0kg) and Rebecca (mass 45.0kg), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, find the magnitude of Daniel's velocity after the collision
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A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.695 s to reach the opposite tower, 20.0 m away. If a 1.00-m length of the ..
Point charges of 30.0 µC and 49.0 µC are located 0.500 meter apart. Obtain what are the magnitude and direction of the net electric field halfway between them
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