18. The orbits of planets being elliptical was one the planetary laws developed by

1 answer:

TEA [102]3 years ago

6 0

It was a man named <span>Johannes Kepler. </span>

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The acceleration of the bag of sand is $1\ m/s^2$ .

Explanation:

We have,

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Weight of the bag of sand is 100 N

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$F =ma$

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