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In the diagram below there are three blocks that are all
In the diagram below there are three blocks that are all moving together with constant acceleration. Block C is being pulled to the right by a horizontal force F = 23.0 N. Block B is connected to Bloc… read more
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The diagram shows a 2 kg box traveling at 3 m/s colliding
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13) A 4.00 kg object traveling at 3.00 m/s collides with a
13) A 4.00 kg object traveling at 3.00 m/s collides with a 3.00 kg object moving in the opposite direction. After the collision both objects are at rest. How much kinetic energy was lost in the collis… read more
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13) A 4.00 kg object traveling at 3.00 m/s collides with a
Second opinion] 13) A 4.00 kg object traveling at 3.00 m/s collides with a 3.00 kg object moving in the opposite direction. After the collision both objects are at rest. How much kinetic energy was lo… read more
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A man walk 50m north, 65m at 45deg. N of E and finally 40m
a man walk 50m north, 65m at 45deg. N of E and finally 40m at 75deg N of E. calculate displacement … read more
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physics problem The mass of a car is 150 kg it carries a
physics problem The mass of a car is 150 kg it carries a powerful engine,which delivers450,000 newton assumming that there is no friction and air resistance . calculate a. The acceleration of the car.… read more
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A block of mass 7.23 kg lies on a frictionless horizontal
A block of mass 7.23 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 3.43 kg which hangs in the air. Assume the cord to be… read more
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A 2 kg car moving towards the right at 4 m/s collides head
A 2 kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, and they stick together. After the collision, the velocity of the combined bodies is… read more
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a skier of mass 65kg starts from rest and skies down a hill
a skier of mass 65kg starts from rest and skies down a hill that is 9.0 meters high. At the bottom of the hill it flattens out and the skier grabs his 10.0 kg backpack. While skiing at full speed, how… read more
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Please show all work. 1) An electric motor lifts an iron
Please show all work. 1) An electric motor lifts an iron ball having a mass of 5 kg to a height of 2.5 meters in 10 seconds. (Remember, kilograms (kg) is a measure of mass, not of weight.) a) How much… 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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A rope exerts a 280 N force while pulling an 80 kg skier upward
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An object of 17.4 kg is originally not moving. It then explodes
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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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Could you help with Madison University paper Fundamentals ...
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A 68 kg person on skis starts from rest down a hill sloped
A 68 kg person on skis starts from rest down a hill sloped at 39° from the horizontal. The coefficient of friction between the skis and the snow is 0.13. After the skier has been moving for 5.0 s, the… read more
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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
abozer
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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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