We can estimate the age of an open cluster of stars by examining
a. the number of stars...
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Physics, 22.06.2019 00:00
An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?
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Physics, 22.06.2019 02:20
According to newton’s first law of motion, which force is expected to cause a body to accelerate?
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Mathematics, 28.06.2019 16:00
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