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In a home laundry dryer, a cylindrical tub containing wet clothes is rotated steadily about a horizontal axis as shown in the figure below. So that the clothes will dry uniformly, they are made to tumble. The rate of rotation of the smooth-walled tub is chosen so that a small piece of cloth will lose contact with the tub when the cloth is at an angle of ? = 67.5° above the horizontal. If the radius of the tub is r = 0.425 m, what rate of revolution is needed?
what types of everyday materials have properties of both solids and liquids?what solids may be mistaken for liquids and
To stretch a relaxed biceps muscle 2.30cm requires a force of 25 N. Find the Young's modulus for muscle tissue assume it to be a uniform cylinder of length 0.24 m and cross-sectional area 51 cm2.
What minimum coefficient of static friction is required? Is the reply you found reasonable? In other words, is he probable to stay on the merry-go-round.
The coefficient of kinetic friction is 0.350. Illustrate what should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?
A hot-air balloonist, rising vertically with a constant velocity of magnitude v= 5.00 m/s, releases a sandbag at an instant when the balloon is a height h= 40.0 m above the ground. What is the greatest height above the ground that the sandbag reach..
q1. a very long non conducting cylinder of diameter 10.0 cm carries charge distributed uniformly over its surface. each
If light is shown from a sheet of glass toward water and just skims the boundary between the glass, at what angle was the light aimed toward the water
A catapult on a cliff launches a large round rock towards a ship on the ocean below. calculate the value of the angle theta
Your refrigerator has a mass of 124.7 kg, including the food in it. It is standing in the middle of your kitchen, and you need to move it. The coefficients of static and kinetic friction between the fridge
A wheel is spinning clockwise at a 10 revolutions per second at t = 0. Due to friction in the bearings supporting the axle, the wheel slows down, losing 0.500 revolutions per second in angular velocity each second, until it comes to rest.
A 30kg child slides down a playground slide at a constant speed. find the magnitude of the kinetic friction force acting on the child
The interior of a refrigerator has a volume of 0.600 m3. The temperature inside the refrigerator in 282 K, what is the mass of air inside the refrigerator
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