किसी कण का प्रारंभिक वेग (2 overset ^i+3...

किसी कण का प्रारंभिक वेग `(2 overset ^i+3 overset ^j)` तथा त्वरण `(0.3 overset ^i+0.2 overset ^j)` है। 10 सेकण्ड बाद कण के वेग का मान होगा :

A

5 इकाई

B

9 इकाई

C

`9 sqrt(2)` इकाई

D

`5 sqrt(2)` इकाई

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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