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The position of a particle is given by  ...

The position of a particle is given by  `vecr = 3.01t hati +2. 0 t^2 hatj +5.0 hatk` where t is in seconds and the coefficients have the proper units for `vecr` to be in metres. What is the magnitude and direction of velocity of the particle at t = 1 s? .

A

`5m//s,53^@ `from X-axis

B

`10m//s,60^@ ` from X-axis

C

`15m//s,45^@ `from X-axis

D

`5m//s,55^@ ` from X-axis

Text Solution

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The correct Answer is:
A
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