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a hoop is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts up a ramp that makes an angle 25 degrees with the horizontal. What is the speed of the hoop after it has rolled 3.00 m up the ramp (hint: that is 3.00 malong the incline, not the vertical direction?
q1. an emf is induced in a conducting loop of wire 1.22 m long as its shape is changed from square to circular.
q1. what is the minimum distance between two point that will permit them to be resolved at 100km using a terrestrial
A toboggan approaches a snowy hill moving at 10.9 m/s. The coefficients of static and kinetic friction between the snow and the toboggan are 0.470 and 0.320, Find the acceleration of the toboggan as it is going up the hill
a person of mass 50 kg rides in a ferris wheel of radius 20 m. the ferris wheel completes a rotation once every 10
A charged oil droplet falls 5.0 mm in 20.0 s at terminal speed in the absence of an electric field. What are the mass and radius of the drop
A 0.520kg glider on an air track is attached to the end of an ideal spring with force constant 453N/m; it undergoes simple harmonic motion with an amplitude of 4.10×10?2m. Compute the maximum speed of the glider
What are the volume and linear charge densities.
Amtrak's 20th-Century Limited is en route from Chicago to New York at 120km/h when the engineer spots a cow on the track. What is the magnitude of the train's acceleration
An asteroid orbits the Sun at a constant distance of 4.080e+11 meters. What is the orbital speed of the asteroid
A block with a mass of 0.800 kg is connected to a spring, displaced in the positive direction a distance of 50.0 cm from the equilibrium, what is the block's period of oscillation
Jack and Jill are standing on a crate at rest on the frictionless, horizontal surface of a frozen pond. Jack has a mass of 74.6kg , Jill has a mass of 44.0kg, What is the final speed of the crate if Jill jumps first and then Jack, again in the same..
You are jumping down from a small ledge 0.7 m high onto a concrete floor. what is the force exerted onto your feet during the landing
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