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A disk-shaped merry-go-round of radius 3.03 meter and mass 185 kilogram rotates freely with an angular speed of 0.621rev/s. A 64.4 kilogram person running tangential to the rim of the merry-go-round at 3.01 m/s jumps onto its rim and holds on. Before jumping on the merry-go-round, the person was moving in the same direction as the merry-go-round's rim. Evaluate the final angular speed of the merry-go-round?
A block of mass 2.50 kilogram is pushed 2.40 meter along a frictionless horizontal table by a constant 16.0 Newton force directed 25.0 degree below the horizontal. Find the work done by the normal force exerted by the table
A 3.7 kg bucket of water is raised from a well by a rope. find the force exerted by the rope on the bucket of water
A block of mass m = 300 g is released from rest and slides down a frictionless track of height h = 70.6 cm. What is the value of the spring constant k
At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. what is the maximum allowed braking force
A sample with a temperature of 106.51 degrees C is dropped into an insulated cup containing water whose mass is the same as the sample and whose temperature is initially 50 degrees C. The sample raised the temperature of the water to 60 degrees C. ..
A 4.4 kg block is pushed 6.6 m up a rough 35° inclined plane by a horizontal force of 74 N. estimate the work done by the horizontal force
A plane accelerates from rest at a constant rate of5.00 m/s^2 along a runway that is1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway.
A 4.6-{\rm Hz} wave with an amplitude of 20cm and a wavelength of 30cm travels along a stretched horizontal string. How far does a given peak on the wave travel in a time interval of 0.55s ? The answer is dpeak = .76m. How would your answer to par..
A gate in an irrigation canal is in the form of a semi-circle with radius of 4m (straight side on top). Find the hydrostatic force on the gate
a 9.70 kg object oscillates at the end of a vertical spring that has a spring constant of 2.20 104 nm. the effect of
A circular disk of radius 2.0 m rotates, starting from rest, with a constant angular acceleration of 20.0 rad/s2. What is the tangential acceleration of a point on the edge
A large storage tank is filled to a height 81 cm. The tank is punctured with a small hole at a heiht of 38 cm from the bottom of the tank. How far from the tank will the stream land
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