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A 1.75 kg block at rest on a ramp of height h. When the block isreleased, it slides without friction to the bottom of the ramp, andthen continues across a surface that is frictionless except for arough patch of width 10.0 cm that has a coefficient of kineticfriction μk=0.640. Find h such that the block's speed after crossing the rough patch is 3.50 m/s.
A 300 kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile), What is its average power output in watts and horsepower
An accelerating voltage of 2.59 103 V is applied to an electron gun, What is the magnitude of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 µT down
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. What are your reaction time
question a diver pushes off horizontally from the top of a vertical cliff that is 40.0 m high from water surface below.
Find the change in internal energy using first law of thermodynamics.
The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. What is the magnitude of the electric field in the membrane
A very long, hollow cylinder (radius 4.7cm) is formed by rolling up a thin sheet of copper, Use Ampère's law to find the magnetic field outside the cylinder at a distance 6.8cm from the axis
A 8.6-g wad of sticky clay is hurled horizontally at a 84-g wooden block initially at rest on a horizontal surface. The clay sticks to the block. what was the speed of the clay immediately before impact
What is the advantage of the new crumple zone design in new car's today when they are in a car crash, explain answer from a physics standpoint?
A charge of 190 µC is at the center of a cube of edge 75.0 cm. No other charges are nearby. Find the total flux through each face of the cube
We can reasonably model a 90-W incandescent lightbulb as a sphere 5.5cm in diameter. find the visible light intensity at the surface of the bulb
a 1.70 kg block and a spring with a force constant of 955 nm are oriented vertically as shown below. initially the
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