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Two objects, x and y, are held at rest on a horizontal frictionless surface and a spring is compressed between them. the mass of x is 2/5 times the mass of y. immediately after the spring is released, x has a kinetic energy of 50 j and y has a kinetic energy of:
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If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
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What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon
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Two objects, x and y, are held at rest on a horizontal frictionless surface and a spring is compress...
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