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A cat dozes on a stationary merry-go-round, at a radius of 6.0 m from the center of the ride. Then the operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 5.7 s. What is the least coefficient of static friction between the cat and the merry-go-round that will allow the cat to stay in place, without sliding?
A 0.70-kg mass attached to a vertical spring of force constant 140N/m oscillates with a maximum speed of 0.40m/s, Find the maximum magnitude of the acceleration
One mole of an ideal gas does 2 600 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm, Determine the initial volume of the gas
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. Assume that these protons are incident on the Earth's atmosphere from all directions at a rate of 1090. protons per square meter per second.
What is minimum important in returning blood to the heart? Negative intrathoracic pressure, valves and veins, the pumping action of skeletal muscles, or the pushing of blood by arterial system.
The escape velocity of a bullet from the surface of planet Y is 1823 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.47 times that of Y,
find the speed of the test charge when it reaches the center of the square.
What is the location of an object for which the magnitude of the image distance is one-fourth the magnitude of the object distance
A converging lens has a focal length of f = 22 cm. If an object is placed 42 cm from the lens, where will the image be formed
rate at which mechanical energy is transferred to the turbine blades, assuming 60 percent efficiency.
A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle
you need to determine the density of an unknown liquid. to this end you perform an experiment with a block and notice that the block floats in this unknown liquid with 4.6 cm of its side submerged. determine the density of the unknown liquid
Estimate the initial speed of that car assuming a level road.What would be the equilibrium temperature when a 252 block of copper at 275 is placed in a 136 aluminum calorimeter cup containing 807 of water at 14.90.
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