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A 150 g pinball rows towards a spring loaded launching rod
For Logic Pro onlyFor Logic Pro onlyA 150 g pinball rows towards a spring loaded launching rod with a velocity of 2.0 m/s to the west. The launching rod strikes the pinball and causes it to move in th… read more
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A 150 g pinball rows towards a spring loaded launching rod
For Logic Pro onlyA 150 g pinball rows towards a spring loaded launching rod with a velocity of 2.0 m/s to the west. The launching rod strikes the pinball and causes it to move in the opposite directi… read more
LogicPro
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A skateboarder with a mass of 65 kg riding a board with a
For Logic Pro onlyA skateboarder with a mass of 65 kg riding a board with a mass of 1.5 kg collide into the crate (by the crate has a momentum of 750 kg•m/s) and causes both the crate and the skateboa… read more
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A 50 kg cannonball is shot out of a 500 kg Cannon at a speed
For Logic Pro onlyA 50 kg cannonball is shot out of a 500 kg Cannon at a speed of 10 m/s. What is the momentum of the cannon?… read more
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A 98 kg quarterback at Baylor university, runs with a
For Logic Pro onlyA 98 kg quarterback at Baylor university, runs with a velocity of 4 m/s towards the end zone and dives over a pile of football players. He is suddenly tackled head-on by a 90 kg line… read more
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For LogicPro Only A 12 kg red ball travels with a velocity
For LogicPro OnlyA 12 kg red ball travels with a velocity of 7 m/s toward a 8 kg blue ball that is traveling at a speed of 10 m/s in the opposite direction. What is the velocity of the blue ball after… read more
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For LogicPro Only A man is sitting on a chair with wheels.
For LogicPro OnlyA man is sitting on a chair with wheels. He grabs a 2.1 kg book from the desk and throws the book at a speed of 7.2 m/s. His chair moves backward. The man has a mass of 70 kg and the … read more
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PHYSICS HELP!! 1. Two balls of equal mass move at the same
PHYSICS HELP!! 1. Two balls of equal mass move at the same speed in different directions. Are their momenta equal? Explain. 2. A sport utility vehicle is travelling at a speed of 15.7 m/s. If its mome… read more
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A rocket, which is in deep space and initially at rest relative
A rocket, which is in deep space and initially at rest relative to an inertial reference frame, has a mass of 51.6 x 105 kg, of which 3.42 x 105 kg is fuel. The rocket engine is then fired for 360 s, … read more
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1. What is the momentum of a 100 kg football player who is
1. What is the momentum of a 100 kg football player who is moving at 7 m/s? 2. A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum? 3. What is the momentum of a 35 kg… 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
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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Q1 a 75 kg man skating initially at 5 m/s on a frictionless
Q1 a 75 kg man skating initially at 5 m/s on a frictionless horiz surface throws a 15 kg ball he was holding in front of him so that it travels at 15 m/s relative to the ground. Find final velocity; a… read more
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which of the following has the largest momentum relative to
which of the following has the largest momentum relative to earth? a pickup truck speeding along a highway the science building on campus a tightrope walker crossing Niagara falls a dog running down t… read more
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A 2.0 kg object moves with a speed of 0.60 in the +x
A 2.0 kg object moves with a speed of 0.60 in the +x direction. Find the components of the objects four momentum. A 12 kg rock moves with a velocity whose components [vx,vy,vz]=[4/13,3/13,0] in a cert… read more
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Two ropes are attached to a block with a mass of 75 kg.
Two ropes are attached to a block with a mass of 75 kg. One rope pulls on the block at an angle of 30 degrees to the north of east and exerts a force of 200 N. The second rope pulls an angle of 15 deg… read more
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1)A cart of mass m moving in the +x direction with a speed ...
1)A cart of mass m moving in the +x direction with a speed of V0 collides with a cat with mass 2m which is initially at rest. After the collision, the more massive the cart is observed to move in the … read more
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Question 1.A 55 kg swimmer is standing on a stationary 220
Question 1.A 55 kg swimmer is standing on a stationary 220 kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +4.2 m/s relative to the shore. Find the recoil velocity… read more
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