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A 30 kg crate is pulled across a flat floor with 80 N of force. The coefficient of kinetic friction between the crate and the floor is 0.15. Draw a free body diagram illustrating this situation and find the acceleration of the crate.
A heart defibrillator passes 11.5 A through a patient's torso for 5.00 ms in an attempt to restore normal beating. How much charge passed
Starting from rest, an elevator has a constant acceleration of 0.621 m/s2 for a period of 6.25 sec., find the displacement of the elevator
What is one experiment you could to show light is a particle. Clearly delineate how the results show it is a particle, and do not fit with the expectations of the experiment if it was a wave.
A particle of mass m is in an infinite square well of width L. determine the allowed energies for the system
assuming each galaxy contains the mass of 200 billion suns and there are 200 billion such galaxies, what is the schwarzschild radius of the universe
A child is riding a merry-go-round which completes a revolution every 8.36 s. The child is standing 4.65 m from the center of the merry-go-round. Evalute the magnitude of the centripetal acceleration of the child?
A 1300kg car drives around a flat 190m diameter circular track at 30 m/s. What is the magnitude and direction of net force on the car.
A chunk of metal is held stationary, suspended by a string and the tension in the string is 19.6 N. What is the mass of the chunk of metal
A 77.0 kg man floats in fresh water with 3.00% of his volume above water when his lungs are empty, Calculate the volume of air he inhales--called his lung capacity--in liters
Blocks A, B, and C are placed as in the diagram below and connected by ropes of negligible mass. What is the weight of block
An alpha particle with a kinetic energy of 6.00MeV makes a head-on collision with a gold nucleus at rest. What is the distance of closest approach of the two particles
A cannonball (20kg) is shot from a cannon(200kg) with a velocity of 20m/s. what is the backwards velocity of the cannon
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