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Two 2.2 kg masses are 1.4 m apart on a frictionless table. Each has +1.0 µC of charge.
(a) What is the magnitude of the electric force on one of the masses?
N
(b) What is the initial acceleration of the mass if it is released and allowed to move?
m/s2
A vessel whose walls are thermally insulated contains 2.3 kg of water and 0.35 of ice, all at the temperature of 0.0 . The outlet of a tube leading from a boiler in that water is boiling at atmospheric pressure is inserted into the water. How many..
Two cars are at rest, facing each other, and 200 meters apart - how long does it take the cars to meet?
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A block is in equilibrium on a frictionless incline plane due to a tension force from a string that is wrapped around a pulley, find the masses m1 and m2 of the blocks
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A playground merry-go-round has a radius of 4.60 {rm m} and a moment of inertia of 250 kg m^2 and turns with negligible friction about the vertical axle through its center.
What is the spring constant of each spring if the empty car bounces up and down 1.4 times each second?
Establish the average net force
An object with a mass of 41.0 g is moving uniformly with a velocity of 37.0 m/s along the positive x-axis. What is the velocity of the first particle, in the zero momentum frame, after an elastic collision
Assuming you can't use the electric heater, you put 0.2kg of water at 20(C) in a thermous. If you move the water up and down a height 10cm twice/second, how long must you shake the water to raise the temperature to 100(C)?
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