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A horizontal vinyl record of radius 0.0862 m rotates freely about a vertical axis through its center with an angular speed of 4.82 rad/s. The rotational inertia of the record about its axis of rotation is 3.29 x 10-4 kg·m2. A wad of wet putty of mass 43.6 g drops vertically onto the record from above and sticks to the edge of the record. What is the angular speed of the record immediately after the putty sticks to it?
A 0.0400 kg golf ball initially at rest is given aspeed of 35.0 m/s when a club strikes.If the club and ball are in contact for 2.00 ms, what average force acts on the ball
A 0.24 kg blob of clay is thrown at a wall with an initial velocity of 23 m/s. what is the average force experienced by the clay
Two cars are traveling along a straight-line in the same direction, the lead car at 25.0 m/s and the other car at 36.0 m/s. How much time does it take for the chasing car to stop
A stone has a mass of 6.00 x10-3 kg and is wedged into the tread of an automobile tire. The coefficient of static friction between the stone and each side of the tread channel is 0.84.
A lithium-5 nucleus is moving at 1.6 Mm/s when it decays into a proton and an alpha particle. What are the magnitude and direction of the proton's velocity
Dez pours a liquid (n = 1.34) into a container made of glass (n = 1.52). Find the angle of the corresponding refracted ray
Once can set up a two-dimensional scattering theory that could be applied to puck projectiles sliding on an ice rink and colliding with various target obstacles.
A vertical spring (spring constant =175 N/m) is mounted on the floor. A 0.470-kg block is placed on top of the spring and pushed down to start it oscillating in simple harmonic motion. Obtain the frequency (in Hz) of the motion
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet, in years
An object that is moving rightward is acted upon by the force shown. what is the work done on the object by the force
Light is emitted by a sodium sample that is moving toward Earth with speed v. The wavelength of the light is 589 nm in the rest frame of sample. The wavelength measured in the frame of Earth is 537 nm. Find v.
A 9000-kg boxcar traveling at 16.0 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 6.00 m/s
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