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A 200 Ib student sits on a 25 Ib chair. The radius of gyration of the student is 0.3 ft, and the chair's radius of gyration is 0.2ft. The student and chair are rotating at 10 rad/s. A 30 Ib backpack is thrown at the student, who reaches out 1.5 ft from their center line to grap the backpack. Now the system rotates at 15 rad/s. What was the initial linear speed of the backpack?
New physics student having trouble with hw, not sure how to set this up or find the answer. Throw a ball straight up with an initial vel. of 18.5m/s. if ball is caught at the same height it was released, and then compute the max. Height achieved b..
A 1030 Kg car going 3.4m/s through a parking lot hits and sticks to the bumper of a stationary 1140 kg car. Find the speed of the joined cars immediately after the collision
A rectangular loop of N turns and of length a and width b is rotated at a frequency f in a uniform magnetic field B. What is the emf induced in the rectangular loop
Starting from rest, a 2.3x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, What is the flea's speed when it leaves the ground
The exterior walls of a house have a total area of 204 m2 and are at 11.4°C and the surrounding air is at 7.4° C. Find the rate of convective cooling of the walls
If an electron makes a transition from the n = 4 Bohr orbit to the n = 3 orbit, determine the wavelength of the photon created in the process
A diver springs upward with an initial speed of 1.7 m/s from a 3.0-mboard. What is the highest point he reaches above the water?
How much ice was in bucket before the copper block.
A shuttle with a mass of 18,000 kg is traveling at 6,750 m/s when retrorockets are fired to increase the shuttle's speed. What is the final speed of the shuttle after the engines shut down
An electric power station is producing 1.60 × 103 W of power that is to be sent to a small town located 13 km away, Find the power lost in heating the wires
During the investigation of a traffic accident, police find skid marks 90.0 m long. Estimate the speed of the car when the brakes were applied
Find the drift velocity of conduction electrons in a gold wire of diameter 2.36 mm when a current of 0.375 A flows in it. The density of conduction electrons in gold is 5.90x10^28m^-3
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