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The angle made by the vector vecA = veci...

The angle made by the vector `vecA = veci + vecj` with x-axis is

A

`90^(@)`

B

`45^(@)`

C

`22.5^(@)`

D

`30^(@)`

Text Solution

Verified by Experts

`omega_1=2pin_1=2pixx(600)/(60)=20pirad//s`
`omega_1=2pin_2=2pixx(1200)/(60)=40pirad//s`
Increase in angular velocity
`=omega_2-omega_1=40pi-20pi
20pirad//s`
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