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A horizontal vinyl record of radius 0.11 m rotates about a vertical axis through its center with an angular speed of 4.7 rad/s. The rotational inertia of the record about its axis of rotation is 5.0 10-4 kg·m2. A wad of putty of mass 0.060 kg 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 ball is kicked with initial velocity of 14.9 m/s in the horizontal direction and 15.7 in the vertical direction. At what speed does the ball hit the ground
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall.
A toy train is pushed forward and released at x_0 = 2m with a speed of 2m/s. It rolls at a steady speed for 2s, and then one wheel begins to stick. The train comes to a stop 6m from the point at which it was released. What is the magnitude of trai..
In a test explosion, a detonating hydrogen bomb briefly achieves a temperature of 10 million degrees Kelvin
a glass tube is attached to a water pipe,if the water pressure at the bottom of the tube is 120kpa and the local atmospheric pressure is 99kpa. determine how high the water will rise in the tube
A 56.0 kg ice skater spins about a vertical axis by her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from one hand to the other is 1.5 m . Biometric measurements indicate that each hand typically makes ..
A proton is passing through a uniform, 0.500-T magnetic field and is directed along the x axis. find the pitch of the helix
A man is standing on a platform that is connected to a pulley arrangement, as the drawing shows. What pulling force should the man apply to create an upward acceleration of 1.20 m/s2
A 23 m long copper wire,2.00 mm in diameter including insulation, is tightly wrapped in a single layer with adjacent coils touching, to form a solenoid of diameter 2.5 cm, What is the length of the solenoid
A sample of ideal gas occupies a volume of one litre at atmospheric pressure and temperature, 20 C. What pressure is required to squeeze the gas into one-half litre at 40 C?
A small space telescope at the end of a tether line of length L moves at linear speed v about a central space station. What will be the linear speed of the telescope
A charge of -5.8 micro-Coulombs is placed at x = 0, y = 0. A charge of +17.1 micro-Coulombs is placed at x = 0, y = +36 cm. Another charge of +34.8 micro-Coulombs is placed at x = +33 cm, y = 0 cm. What is the magnitude of the total electric force..
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