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An ice-skater with a mass of 75.0 kg pushes off against a second skater with a mass of 42.0 kg.
Both skaters are initially at rest.
After the push, the larger skater moves off with a speed of 0.75 m/s eastward.
What is the velocity (magnitude and direction) of the smaller skater after the push?
A Newton is equal to which of the following? a) kilogram-meter per second b) meter per second squared c) Kilogram-meter per second squared d) Kilogram per
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give some example problem in this chapter
A mirror cleaned with an alcohol solution is slightly colder right after it is cleaned. Why?
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Astigmatism: In this defect the surface of eye is not perfectly spherical. The eye has different focal point in dissimilar planes and image of an object is not focused clearly
why metallic frame used in searles apparatus
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Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/
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