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2 blocks are sliding to the right across a horizontal surface. In case A, the mass of each block is 3.0 kg. In case B, the mass of block 1 is 6.0 kg and the mass of block 2 is 3.0 kg. No frictional force acts on block 1 in either case A or case B. However, a kinetic frictional force of 5.8 N does act on block 2 in both cases and opposes the motion. For both case A and case B.
(a) Derive an expression for the contact force and acceleration.
(b) Determine the magnitude of the contact force and acceleration
A truck is traveling at 11.4 m/s down a hill when the brakes on all four wheels lock. How far does the truck skid before coming to a stop
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At a factory, a noon whistle is sounding with a frequency of 491 Hz. As a car travelling at 78 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..
At what position is the third bead in equilibrium? Can it be in stable equilibrium.
Compute coefficient of kinetic friction
A 151 kg rocket moving radially outward from Earth has a speed of 5.03 km/s when its engine shuts off 226 km above Earth's surface. (a) Assume negligible air drag; find the rocket's kinetic energy when the rocket is 535 km above Earth's surface. (b) ..
When they oppose one another, the box accelerates at 0.240 m/s2 in the direction of F2. (a) What is the magnitude of F1? (b) What is the magnitude of F2?
During a violent storm, a car is struck by a failing high-voltage wire that puts an excess charge of -850 mircoC on the metal car. how much is on the outer surface of the car
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a dog walking quickly away from a motion detector. Draw a velocity graph that could represent this motion
An arrow is fired horizontally with a speed of 68. m/s directly at the bulls eye of a target 50 m away. When fired, the arrow is 120-m above the ground. How far short of the target does it strike the ground.
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