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carnival merry-go-round rotates about a vertical axis at a constant rate. A man standing on the edge has a constant speed of 3.11 m/s and a centripetal acceleration of magnitude 2.04 m/s2. How far is the man from the center of the merry-go-round?
A block of weight 46.7 N is hanging from a rope. The tension in the rope is 32.5 N, pulling upward on the block. What is the magnitude of the tension in the rope
light with a wavelength of 600nm (6*10-^7m) strikes a single slit that is 0.5 mm (5*10^-4m) wide. How wide is the central bright fringe of this diffraction pattern
One component of a magnetic field has a magnitude of 0.054 T and points along the +x axis, Determine the angle that the net force makes with respect to the +x axis
A 795 kg car moving at 26 m/s brakes to a stop. The brakes contain about 15 kg of iron, that absorbs the energy. What is the increase in temperature of the brakes.
A bicycle wheel of mass M (assumed to be concentrated at its rim) and radius R is mounted horizontally so it may turn without friction on a vertical axle. A dart of mass mo is thrown with velocity vo above and sticks in the tire.
A 10 kg weight is put on the weightless piston of the cylinder (20 cm in diameter) filled with oxygen gas (P=101.3kPa, V=1m^3). Calculate the volume of the compressed gas
A cylinder contains 2 moles of an ideal monatomic gas that is initially at state A with a volume of 0.01 m^3 and a pressure of 4.0x10^5 Pa. Is this device a refrigerator or a heat engine
A ball (m= .450 kg) is placed at the top of a ramp 1.00 m high. what is the ball's velocity at the bottom of the ramp
A trapeze artist performs an aerial maneuver. While in a tucked position, what is her rotational speed
What is the magnitude of the acceleration of a modified Atwood machine if the mass of the cart is 3 kg and the hanging mass is 4 kg? (Use g = 9.8 m/s2. Express your answer to one decimal point.)
Two boxes with different masses M1 = 0.7 kg and M2 = 2.3 kg are tied together on a frictionless ramp surface, What is the tension in the rope connecting the two boxes
A gas in a cylinder with a piston that slides freely within is adiabatically expanded from 1.5 to 1.7 m3. by what amount did the internal energy of the gas change during this expansion
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