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

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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
B
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