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A 60. kg ice skater and a 75 kg ice skater are standing at
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2. An object of mass 2 kg moving along the circular path has
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PHYSICS HELP!! 1. Two balls of equal mass move at the same
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A 0.150kg baseball is thrown horizontally at a batter at 40.0
A 0.150kg baseball is thrown horizontally at a batter at 40.0 m/s. after being struck by the bat, it returns horizontally back toward the pitcher. If the ball has a change of momentum of -16.0 kgm/s i… read more
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Three smooth stones, A, B and C are initially at rest, in contact
Three smooth stones, A, B and C are initially at rest, in contact with each other on the smooth surface of a frozen lake. The masses of the stones are, to 3 significant figures, A = 800 g, B = 600 g a… read more
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Three smooth stones, A, B and C are initially at rest, in contact
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A 1500kg car travels north along the highway at 65km/hr. The
A 1500kg car travels north along the highway at 65km/hr. The car collides and becomes stuck to a 6000kg truck travelling west at 80km/hr. What is the final velocity of the vehicles after the collision… read more
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An object of 17.4 kg is originally not moving. It then explodes
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Q1 a 75 kg man skating initially at 5 m/s on a frictionless
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a 500 kg truck moving at 30 m/s strikes a parked 300 kg car.
a 500 kg truck moving at 30 m/s strikes a parked 300 kg car. they connect together and move forward. what kind of collision is this? what is the momentum of the truck before it strikes the car? what i… read more
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The drawing shows a collision between two pucks on an air-hockey
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Two ropes are attached to a block with a mass of 75 kg.
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In a particle collider experiment a carbon atom is hot with ...
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Question 1. The drawing shows a collision between two pucks
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1. Two identical hockey pucks slide on a flat, frictionless ...
1. Two identical hockey pucks slide on a flat, frictionless plane of ice. Originally, one is sliding in a direction 60 degrees south of west at a speed of 2 m/s, while the other is sliding in a direct… read more
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Two hockey pucks, one with a mass m and the other with a ...
Two hockey pucks, one with a mass m and the other with a mass 2m, slide on a flat frictionless plane of ice. Originally, the lighter puck is sliding in a direction 30 degrees west of south at a speed … read more
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An object is observed in a certain refrence frame to move
An object is observed in a certain refrence frame to move from the position [ 2.2m, -3.5m, 1.6m] to the position [ -1.8, 1.3m ,-0.1m] during a time interval of 0.65s. What are the componets of the obj… read more
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Question 5. Astronaut jennifers lifeline to her spaceship
Question 5. Astronaut jennifers lifeline to her spaceship comes loose and she finds herself stranded at a constant 100.0m from the spaceship. She throws her 200.0kg wrench at 20.0m/s in a direction aw… read more
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