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QUESTION 10* This and the following questions concern the
QUESTION 10* This and the following questions concern the same physical situation. A 1200-kg car (which you may approximate as a point object) rounds a circular curve of radius R = 45 m. If the coeffi… read more
LogicPro
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A child pushes a 20 kg box across a wood floor as shown in
A child pushes a 20 kg box across a wood floor as shown in Figure 3. The force exerted by the child is 100 N and horizontal. If the box is moving with a constant speed, 2 m/s, (a). Find the magnitude … read more
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A child pushes a 20 kg box across a wood floor as shown in
Second opinion] A child pushes a 20 kg box across a wood floor as shown in Figure 3. The force exerted by the child is 100 N and horizontal. If the box is moving with a constant speed, 2 m/s, (a). Fin… read more
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4. Suppose you have a 168-kg wooden crate resting on a
4. Suppose you have a 168-kg wooden crate resting on a wood floor. (a) What maximum force can you exert horizontally on the crate without moving it?the coefficient of static friction for a wooden crat… read more
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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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1. A box slides down a 36° ramp with an acceleration of 1.10
1. A box slides down a 36° ramp with an acceleration of 1.10 m/s2. Determine the coefficient of kinetic friction between the box and the ramp. μk =2. A 880 N crate is being pulled across a level floor… read more
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a 1500 kg car travels around a flat circular track at a constant
a 1500 kg car travels around a flat circular track at a constant speed. The radius of the track is 85 meters. It took the car 40 sec to make 1 revolution around the track. What was the coefficent of f… read more
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An object with a mass of 100 Kg is dragged up an incline by
An object with a mass of 100 Kg is dragged up an incline by applying a force F. The total distance moved along the incline is 200 m and the vertical height gained in moving this distance is 20 m. What… read more
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a 10kg mass is on an incline of 35 degrees and it is connected
a 10kg mass is on an incline of 35 degrees and it is connected to a pulley that has a 20 kg mass hanging straight down. A) determine the acceleration of the system and the tension in the rope for the … read more
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A car (mass of 1000 kg) and a truck (mass 4000 kg) are on a
A car (mass of 1000 kg) and a truck (mass 4000 kg) are on a horizontal road, initially touching.The car on the left. In all parts of the question you will compare the magnitude of the force the car ex… read more
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A Mercedes-Benz 300SL (m 1600 kg) is parked on a road that
A Mercedes-Benz 300SL (m = 1600 kg) is parked on a road that rises 15° above the horizontal. (a) What is the magnitude of the normal force? N (b) What is the static frictional force that the ground ex… read more
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A 69.0 kg crate rests on a level floor at a shipping dock.
A 69.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.730 and 0.480, respectively. (a) What horizontal pushing force is required to just star… read more
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A 32 kg child puts a 15 kg box into a 12 kg wagon. The ...
A 32 kg child puts a 15 kg box into a 12 kg wagon. The child then pulls horizontally on the wagon with a force of 65 N. If the box does not move relative to the wagon, what is the static friction forc… read more
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A box sitting on the floor of a van slides toward the front
1. A box sitting on the floor of a van slides toward the front of the van when the van suddenly brakes to a stop. a) Draw a motion diagram ( as viewed from the ground, not the van), a free body diagra… read more
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An 81.5 N crate of apples sits at rest on a ramp that runs ...
An 81.5 N crate of apples sits at rest on a ramp that runs from the ground to the bed of a truck. The ramp is inclined at 21.7 degrees to the ground. (a). What is the normal force exertedon the crate … read more
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A 2.5 kg block is a rest on a horizontal floor. If you push ...
A 2.5 kg block is a rest on a horizontal floor. If you push horizontally oon the 2.5 kg block with a force of 13.2 N, it just starts to move. a). What is the coefficient of static friction? b). A 5.2 … read more
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The coefficients of friction between a block of mass 1 ...
The coefficients of friction between a block of mass 1 kg and a surface are Î¼s=0.64 and Î¼k=0.42. Assume the only other force acting on the block is that due to gravity, what is the magnitude of the … read more
Dr WLS
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The sooner this can be done ill pay more...i need it in 1 1/2 hrs.
you can e-mail me with each worked out as soon as they are worked out...i have more than this....if none of them can be done in that time....n/m A safe with mass of 150 kg is at the rest on the floor.… read more
skywalker
Doctoral Degree
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