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A 250g , 30.0-cm-diameter turntable rotates on frictionless bearings at 62.0 rpm . A 22.0 g block sits at the center of the turntable. A compressed spring shoots the block radically outward along a frictionless groove in the surface of the turntable. What is the turntable's rotation angular velocity when the block reaches the outer edge?
Bead A has a mass of 14g and a charge of -4.5nC . Bead Bhas a mass of 28g and a charge of -11.8nC. What maximum speed is achieved by each bead
A bat at rest sends out ultrasonic sound waves at 53.5kHz and receives them returned from an object moving directly away from it, What is the received sound frequency
An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized and has the charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion.
A fortune teller's "crystal ball" (actually just glass) is 13 cm in diameter. An image of the ring appears on the opposite side of the crystal ball. How far is the image from the center of the ball
A man with mass 72.9 kg and density 970 kg/m^3 stands in a shallow pool with 33.3% of the volume of his body below water. Calculate the normal force the bottom of the pool
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
Atoms in a solid are in continuous vibrational motion due to thermal energy. find the approximate period of oscillation of a typical atom
A puck (mass = 0.3 kg) slides without friction on a horizontal plane. It is attached by a light string (length = 1 m) to a ring on a peg. find the tension in the string as the puck revolves around the peg
An isolated piston+ cylinder arrangement shown contains a diatomic ideal gas at 300 K at equilibrium. find the new equilibrium temperature of the gas
Air conditioning on a university campus is provided by chilled water (10oC) pumped through a main supply pipe. The pipe makes a loop 5 km in length. The pipe diameter is 0.75 m and the material is steel. The maximum design volume flow rate is 0.65 m3..
A hardworking ant must supply 0.0500 N to pull a small piece of fruit at constant velocity over a distance of 8.00 cm up a small hill to the entrance of the colony, calculate the work done by the ant by pulling the piece of fruit up the hill
A steel cable with a total length of 22.6 m and total mass of 68 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
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