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Suppose one twin takes a ride in a space ship traveling at a very high speed to a distant star and back again, while the other twin remains on Earth. The twin that remained on Earth predicts that the astronaut twin is Group of answer choices the same age. younger. cannot be determined from the given information older.
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If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10
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Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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Name three different units of energy used to measure heat and describe what type of situations each is usually used.
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Suppose one twin takes a ride in a space ship traveling at a very high speed to a distant star and b...
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