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A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 4.70 m/s at the bottom of the rise. Find the translational speed at the top.
m/s
A disk, initially rotating at 149 rad/s, is slowed down with a constant angular acceleration of magnitude 4.23 rad/s2. (a) Explain by how much time does the disk take to stop? (b) Through what angle (rad) does the disk rotate during that time?
The electron's brother is the neutrino which has no mass and no charge, Given that the electron's mass in energy units is 0.511 MeV, calculate its classical radius r0.
(a) What is the light intensity on a wall 3.0 m away from the lightbulb. (b) Where did the 96 W go. (c) A krypton laser produces a cylindrical red laser beam 3.0 mm in diameter with 4.0 W of power.
What is the final velocity of a hoop that rolls without slipping down a 3.00 m high hill, starting from rest
A uniform door weighs 50-N and is 1.0 m wide and 2.70m high. What is the magnitude of the torque because of the door's own weight about a horizontal axis perpendicular to the door and passing through a corner.
A sample containing beryllium (atomic mass 9 u), aluminum (27 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
An object of mass 2.93 kg, moving with an initial velocity of (4.90i) m/s, Find the final velocity of the composite object
The mass of a discus is 2 kg. The average net torque exerted on the discus was 100 Nm, What was the angular impulse applied to the discus during the throw
Two wires are tied to the 500 sphere. The sphere revolves in a horiIzontal circle at a constant speed of 6.8.
Assume a light ray hits the surface of the water in a container 39 inches deep at an angle of incidence of 18 degrees. Determine the time taken for the light to hit the bottom of the container
An 11.00 kg crate is placed on a horizontal conveyor belt. The materials are such that static friction = 0.47 and kinetic friction = 0.24.
A potential difference of 16.0 V is applied across a wire of cross-sectional area 4.01 mm2 and length 983 km. What type of wire is this
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