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Consider a block (initially at rest) of mass 5 kg on a table top. Assume that the surface is frictionless. Let a pushing force of 50 N directed at an angle of 30o below the horizontal act on the block.
A) Find the acceleration of the block.
B) Find the (normal) force that the table exerts on the block.
A cubic meter of some material has a mass of 5200 kg. Find the buoyant force on the block and the tension in the cable
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If 80 Btu of heat energy are added to 2 lb of water at 40? F, what will be the final temperature of the water
A spring of spring constant k = 340 Nm-1 is used to launch a 1.5-kg block along a horizontal surface by compressing the spring by a distance of 18 cm. If the coefficient of sliding friction between the block and the surface is 0.25, how far does the ..
A well-insulated electric water heater warms 111 kg of water from 20.0° C to 43.0° C in 29.0 min. Find the resistance of its heating element
In a physics lab, a cube slides down a frictionless incline and elastically strikes another cube at the bottom that is only 1/4 its mass. If the incline is 35 high and the table is 95 off the floor, where does each cube land.
An organ pipe open at both ends is vibrating with n=5 with a frequency of 646 Hz. The length of the pipe is 0.5 m. Determine the speed of sound in air in the pipe
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A 69.20-kg free runner jumps off a wall at a velocity of 6.95 m/s at an altitude of 2.37 m above the ground. What is the free runner's kinetic energy when he jumps off the wall
question two people start at the same place and walk around a circular lake in opposite directions. one has an angular
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