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A ball is dropped from a platform 19.6 m...

A ball is dropped from a platform 19.6 m high. Its position function is :

A

`x = - 4.9 t^(2) + 19.6 (0 le t le 1)`

B

`x = -4.9 t^(2) + 19.6 (0 le t le 2)`

C

`x = - 9.8 t^(2) + 19.6 (0 le t le 2)`

D

`x = - 4.9 t^(2) - 19.6 (0 le t le 2)`

Text Solution

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The correct Answer is:
B
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DISHA PUBLICATION-APPLICATION OF DERIVATIVES -EXERCISE - 1
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