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A 220g ball is dropped from a height of 2.5m and bounces on a hard floor. The force on the ball from the floor is shown in (Figure 1).
How high does the ball rebound?
A constant force of 46.3 N, directed at 28.7o from horizontal, pulls a mass of 14.7 kg horizontally a distance of 3.09 m
A ball throw horizontally from the top of a building at 15.3 m/s hits the ground 53.3 meters from the edge of a building. Find the length of the building
You place an ice cube in a microwave oven. If it requires 32,220 J to melt the ice cube and the oven delivers 97 W of power to the ice cube
The image of a tree 10 m high and 20 m away is 1.5 cm high when photographed. What is the focal length of the lens in the camera
At what angle should the road bank on the curve so that no frictional force is required by a vehicle travelling around the curve at the speed limit.
A 34.3 kg child swings on a rope with a length of 6.28 metershanging from a tree. At the bottom of the swing, the child is moving at a speed of 4.2 m/s. What is the tension in the rope?
A sample of the radioactive nuclide is prepared that has an initial activity of 7.28×1011 .92.4 after the sample is prepared, What is the half-life of this nuclide
Determine the energies and speeds of electrons in circular Bohr orbits in a hydrogen-like atom using the relativistic expressions for kinetic energy and momentum
Mercury has a mass MP = 3.18 x 1023 kg, an orbital period T = 88.0 days, Find the total energy (potential and kinetic) of Mercury in its orbit about the Sun
To focus a camera on objects at different distances, the converginglens is moved toward or away from the film, Over what distance must the lens be movable
A person is standing on crutches. Assume that the forceexerted on each crutch by the ground is directed along the crutch,as the force vectors in the drawing indicate.
A solid marble, a solid disk and a hoop have the same mass (M = 1.4 kg) and the same radius. What is the minimum height that the marble, disk and hoop can be released so that all three will safely make it around the loop-the loop
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