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A proton in a cyclotron changes its velo...

A proton in a cyclotron changes its velocity from 30 `kmh^(–1)` the north of 45 `kmh^(–1)` the east in 20 s. What is the magnitude of average acceleration during this time ?

A

`2.5 kms^(-2)`

B

`12.5 kms^(-2)`

C

`22.5 kms^(-2)`

D

`32.5 kms^(-2)`

Text Solution

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The correct Answer is:
A
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