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A bowling ball of mass 2.7 kg and radius 9.5 cm rolls from rest and without slipping down an incline. What is the speed of the ball at the bottom of the incline? The vertical height of the incline is 17.2 cm.
A pencil (mass 5.8g and length 8.3cm) is at first balanced so that it is sitting vertically on a flat table. If the pencil then falls, find its angular velocity just before it strikes the tabletop. Assume that the mass of the pencil is distributed un..
Two astronauts of equal mass 76 kg are holding on to opposite ends of a straight rope in space. The length of the rope between them is 18meters. What is the new angular velocity of the two astronauts
A curve is banked at an angle of 30 degrees with respect to the horizontal. what is the ideal speed for a motorist to take the curve when it is covered by glare ice
A 1.90 × 102-kg sculpture hangs from a horizontal rod that serves as a pivot about which the sculpture can oscillate. How far is the pivot from the sculpture\'s center of mass
a 50 kg toy airplane is suspended from the ceiling by a 1.6m cord and rotates in a horizontal circle. If the cord makes an angle of 35 degrees with the vertical, A) Find the speed of the plane B) Find the tension in the cord
Electrons are accelerated through a voltage difference of 15.4 kV inside a television's cathode ray tube. What is the de Broglie wavelength of the electrons
A 0.5 kg lump of clay is moving at 2 m/s in the +x direction of some arbitrarily chosen coordinate system. What is the velocity of the pair after the collision
A hand-driven tire pump has a 2.50 cm diameter piston and a maximum stroke of 34.0 cm. What average force do you exert on the piston, neglecting friction and gravity
During a fun run a girl runs for 12 s moving 2.7 m/s. She then accelerates at 0.5 m/s^2 over the next 25 m. she then runs at her new speed for 10s. What distance did she cover during the entire period?
What should be coefficient of static friction
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.18 m2 and whose thickness is 7 mm. what is the percentage lost by the window
A 6.4kg ball, hanging from the ceiling by a light wire 135cm long, is struck in an elastic collision by a 1.80 ball moving horizontally at 4.20 m/s just before the collision. Find the tension in the wire just after the collision.
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