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A sphere of radius r starts from rest and rolls without slipping along a curved surface, dropping through a vertical distance of 0.583 m. Find the final speedv of the sphere's center of mass.
A man of mass 45 kg. is standing on a uniform rolling board of length 10 m. and mass (mb = 30 kg). how far does the board retreat
A car is moving along a straight stretch of road at 60 mph [ 26.7 meters/sec ]. how much work did the friction do in stopping the car
Suppose we move along the+y-axis from ya= 0.0 m (where the potential is 2000V) to yb = 2.0 m. Alongthe yaxis in this region, the electric field has amagnitude given by (1200 V/m4)y3 and makes an angle of 60° withthe+y-direction. Find the potential..
The particles in the nucleus of an atom are approximately 1.00×10?15{\rm m} apart, while the electrons in an atom are about 1.00×10?10{\rm m} from the nucleus. How many pounds would the force be
The specific heat of a certain metal can be determined by measuring the temperature change that occurs when a piece of the metal is heated, What is the specific heat of the metal
The average density of the planet Pluto is 2357 kg/m3. The acceleration of gravity on its surface is 0.76 m/s2. Calculate the average radius of Pluto
imagine a hole is drilled down to the center of the earth. a small mass m is dropped into the hole. find the speed of the mass just as it reaches the earth's center
An inductor has a 53.6 ohm reactance when connected to a 60.0-Hz source, What is the maximum current in the inductor
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4m/s2. Find the maximum height ymax reached by the rocket
A 22.5-microF capacitor is charged by a 147.0-V power supply, Calculate the energy stored in the inductor at t = 1.30 ms
If the skier's speed at point A in the figure below is 8.1 m/s, illustrate what is the normal force exerted by the snow on the skier at point B? Ignore frictional forces.
A diver springs upward from a diving board. At the instant she contacts the water, her speed is 8.90 m/s, and her body is extended at 75.0 degrees with respect to the horizontal surface of the water. Determine her initial velocity
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