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A physics student pulls a 100 kg chunk of stone with constant velocity of 0.5 m/s on a horizontal surface with a horizontal force of 200 N Assume friction is present.
a) Find the coefficient of kinetic friction.
b) If the rope breaks, how long does it take for the stone to come to rest?
c) How far will the stone travel after the rope breaks?
A peregrine falcon dives at a pigeon. The falcon starts with zero downward velocity and dives with the free-fall acceleration. If the pigeon is 81.5 m below the initial height of the falcon, how long does it take the falcon to intercept the pigeon..
A young hockey player stands at rest on the ice holding a 1.3 kilogram helmet. Determine the mass of the hockey player
An old Chrysler with mass 2200 kg is moving along a straight stretch of road at 86 km/h. How fast (in km/h) is the center of mass of the two cars moving
A thin film of polystyrene is used as an antireflective coating for fabulite (known as the substrate). The index of refraction of the polystyrene is 1.49, and the index of refraction of the fabulite is 2.409.
A box rests on a frozen pond, which serves as a frictionless horizontal surface. what is the mass of the box
on a day when the temperature is 20 degrees c a child steals your tuning fork of frequency 512 hz begins ringing it and
A mechanic is cleaning a ball bearing when she accidentally drops it. Determine the flight time of the ball bearing in air
A solenoid is 8.93 cm long, 1.56 cm in diameter, and has 310 turns. find the magnetic flux through one turn of the solenoid
question1two geological field teams are working in a remote area. a global positioning system gps tracker at their base
Plot the probability distributions for the simple harmonic oscillator's ground state wave functions. Change the parameter that governs the ''width'' of the position distribution and see what happens to the width of the momentum distribution.
a double convex thin glass lens has equal radii of curvature. the focal length of the lens is 37.3 cm and the index of
A uniformly charged disk of radius 35.0 cm carries a charge density of 8.20*10-3 C/m2. Compute the electric field on the axis of the disk at the following distances from the center of the disk. Distances are 5.00 cm, 10.00 cm, 50.00 cm, and 200 cm.
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