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A car of mass m moving at a speed v1 collides and couples with the back of a truck of mass 3m moving initially in the same direction as the car at a lower speed v2. (Use any variable or symbol stated above as necessary.)
(a) What is the speed vf of the two vehicles immediately after the collision?
vf =
(b) What is the change in kinetic energy of the car-truck system in the collision?
ΔK =
A charge of +6.0 µC experiences a force of 2.0 mN in the +x-direction at a certain point in space. Find what was the electric field there before the charge was located there
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During each cycle a reversible engine absorbs 1550 Joule of heat from a high temperature reservoir and performs 1200 Joule of work. Compute how much heat is exhausted to the low temperature reservoir
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Part A) How far from the base of the cliff does the car land? Express your answer to two significant figures and include the appropriate units. Part B) What is the car's impact speed? Express your answer to two significant figures and include the a..
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A gas, while expanding under isobaric conditions, does 494 J of work. The pressure of the gas is 1.57E+5 Pa, What is the final volume of the gas
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