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A stone is thrown vertically up and the ...

A stone is thrown vertically up and the height `s` reached in time `t` is given by `s=80t-16t^2`. The stone reaches the maximum height in time `t` =

A

2 sec

B

2.5 sec

C

3 sec

D

3.5 sec

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-RATE MEASUREMENT-PRACTICE SHEET (EXERCISE - 1) (LEVEL - 1) (STRAIGHT OBJECTIVE TYPE QUESTION)
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