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Only for Spanish physicist PhD A 6 kg wooden block slides on
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4) A car of weight 25,000. N is travelling in uniform
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A man pushes a 20.0 kg wooden crate 50.0 m across a
A man pushes a 20.0 kg wooden crate 50.0 m across a horizontal wooden floor with a constant velocity. Calculate how much work was done on the box by friction as the man pushed the box across the horiz… read more
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A 5.0 kg coconut falls 3.0 m from a palm tree to the ground.
a 5.0 kg coconut falls 3.0 m from a palm tree to the ground. How much work has been done on the coconut by gravity?… read more
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A typical lightbulb uses 60. W of power. If that same amount
A typical lightbulb uses 60. W of power. If that same amount of power was applied to towing a 50. kg wooden crate across a horizontal wooden floor, how long would it take to move the crate a distance … read more
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5 Physics questions I need assistance with please- I keep getting
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001 (part 1 of 3) 8.0 points A 4.8 kg object is subjected
001 (part 1 of 3) 8.0 points A 4.8 kg object is subjected to two forces, F~ 1 = (2.8 N) ˆı + (−2.1 N) ˆ and F~ 2 = (3.3 N) ˆı + (−10 N) ˆ. The object is at rest at the origin at time t = 0. What is … read more
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A cam causes a follower of mass 3kg to oscillate with simple
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1. A Merry-go-Round in an amusement park makes 4 revolutions
1. A Merry-go-Round in an amusement park makes 4 revolutions per minute. If the apparatus has a radius of 6.0 meters, what is the velocity of a point on the outer edge of the ride? b. What is the size… read more
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An object with a mass of 100 Kg is dragged up an incline by
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A steel cable of negligible mass is used to pull a 500-kg ...
A steel cable of negligible mass is used to pull a 500-kg object across a steel beam with an acceleration of 5.0 m/s2. Since the steel beam is somewhat rough, there is a frictional force acting on the… read more
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A 68 kg person on skis starts from rest down a hill sloped
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Two ropes are attached to a block with a mass of 75 kg.
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Imagine that the coefficient of static friction s between ...
Imagine that the coefficient of static friction µs between a 25-kg box and the floor is .55. How hard would you have to push on the box to get it moving? Imagine that you have to exert a horizontal fo… read more
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A bicyclist produces energy at the rate of 0.30 hp with her ...
A bicyclist produces energy at the rate of 0.30 hp with her legs, which keeps her bike traveling at a constant speed of 12 m/s on a level road against a headwind. What is the approximate magnitude of … read more
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Question 1. A 50 kg box is being pushed a distance of 7.0 m
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A 16.8 kg block is dragged over a rough horizontal ...
A 16.8 kg block is dragged over a rough horizontal surface by a constant force of 122 N acting at an angle of 26.7 degrees above the horizontal the block is displaced 82.2 m, and the coefficient of fr… read more
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33.) 1.)A horizontal force of 12N acts on an object that ...
33.) 1.)A horizontal force of 12N acts on an object that rests on a level, frictionless surface on the earth, where the object has a weight of 98N. (a.) what is the magnitude of the acceleration of th… read more
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