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Ateacher pushes a 98n desk 5 m across a floor. she exerts a force of 20n. how much work was done
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What is the earliest point in the universe that we can observe? why can’t we see back further than this?
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If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
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Physics, 22.06.2019 14:30
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
Ateacher pushes a 98n desk 5 m across a floor. she exerts a force of 20n. how much work was done...
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