Physics, 05.06.2021 01:00 owlgirl554
7. A bullet of mass 100 g is fired into a stationary target of mass 4.o kg. The target is mounted on low-friction wheels and moves off at a velocity of 5.0 ms-1 when the bullet enters it. The bullet stays in the target. Calculate the velocity of the bullet before it strikes the target.
Answers: 2
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
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If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone
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7. A bullet of mass 100 g is fired into a stationary target of mass 4.o kg. The target is mounted on...
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