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A box is on the back of a truck, the truck is moving at 64.0 km/h along a level road. If the coefficient of static friction between the box and the truck is 0.570, what is least distance that the truck can stop in without the box sliding?
An astronaut's normal weight it 600 newtons. How much would she weigh while orbiting in a satellite at 12,000 kilometers [two earth radii] above the surface of Earth.
Children sled down a 44m -long hill inclined at 23 degrees. At the bottom, the slope levels out. how far do the children slide on the level ground
A force of 735N stretches a certain spring a distance of 0.120m. What is the potential energy of the spring when a mass of 65.0 hangs vertically from it
a flywheel of mass 182 kg has an effective radius of 0.64 m assume the mass is concentrated along a circumference
A wind turbine converts some of the kinetic energy of the wind into electric energy. Suppose that the blades of a small wind turbine have length L = 3.7 m. What is the translational kinetic energy of this mass of air
During a solar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Moon between the Earth and the Sun. What force is exerted by the Sun on the Moon?
when two identical ions are separated by a distance of 6.0times10-10 m the electrostatic force each exerts on the other
A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system when the 3.2-kg block is replaced by a 4.1-kg block
Consider a large truck carrying a heavy load, such as steel beams. A significant hazard for the driver is that the load may slide forward, Calculate the minimum stopping distance for which the load will not slide forward relative to the truck
A laser is used in eye surgery to weld a detached retina back intoplace. The wavelength of the laser beam is 514 nm, while the poweris 1.5 W. how many photons are emitted by the laser
A long thin rod lies along the x-axis. One end is at x=2.00 m and the other at x=3.00 m. Its linear mass density ? =0.400 x2+0.600, in kg/m. Calculate mass of the rod. Calculate the x-coordinate of the CM of the rod.
q1. a long hollow cylindrical conductor inner radius 2.0 mm outer radius 4.0 mm carries a current of 13 a distributed
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