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The graph describes an airplane's accele...

The graph describes an airplane's acceleration during its take-off run. The airplane's velocity when it lifts oof at `t = 20 s` is

A

`40 m//s`

B

`50 m//s`

C

`90 m//s`

D

`180 m//s`

Text Solution

Verified by Experts

The correct Answer is:
C
Area under a-T graph = Change in velocity
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