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An ice hockey puck is sliding along the vertical wall as shown on the picture (top view shown). Puck is moving in the horizontal plane only. Puck enters a section of the circular curve at point 1 with the velocity V0=6.5 m/s. The coefficient of friction between the puck and the wall is ?=0.25. Puck exits the curve at point 2 that is tilted at an angle ?0=60o. Find the velocity of the puck at that point.
q1. determine the displacement of a simple harmonic wave of amplitude 9.60 m at t 0.71 s. assume that the wave number
The maximum wavelength for which an electromagnetic wave can eject electrons from a platinum surface is 196 nm. what is the maximum speed of the ejected electrons
Two cars of 2000 kg each collide head-on while traveling at 75.0 miles per hour. What is the temperature increase of the cars
Unpolarized light with an intensity of 650 W / m2 is incident on a polarizer with an unknown axis. What is the angle between the axes of the polarizers
A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.234 s, what is the angular velocity of the disk
A 70 kg painter holding a 15 kg paint is climbing up a 30 m-long ladder, which weighs 20 kg, against a frictionless wall at an angle of 60 degree. how far could the painter go up along the ladder
5 kg of water at 60 degrees are put in contact with 1 kg of ice at 0 degrees and are thermally isolated from everything else. What is the change in entropy of the universe while the ice melts
Jane ( 50 kg) and John ( 30 kg ) sit at opposite ends of a 5.0 m long boat (20 kg). Jane is on the left, John is on the right. When they trade sides, how far and in what direction does the boat move relative to where Jane was origin
a snowboarder moves along a horizontal ramp before going off of the edge of the ramp. 1.8s after leaving the ramp, find the snowboarders speed at the moment she leaves the ramp
A cylinder is rolling along the ground without the slipping at 7m/s. It comes to a hill and begins going up. Assuming no losses to friction, how high vertically would it go before it stops.
A runner is running the first heat of a100 m race at a velocity of 6.9 m/s in an easterly direction. What is the relative velocity of the runner to the wind
If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.72 , what is the magnitude of the frictional torque
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