Question

19.
A body starts with a velocity 21-3j+11k m/s and
moves with an accelaration of 10i+10j+10k is
2. What is its velocity after 0.25 s ?
1) 4.5i + 0.5-13.5k
2) 4,5 – 0,5 - 13.5k
3) 4.5i – 0.5 - 13.5k
1) 4.5i + 0.5 + 13.5k
​

Answer 1

The answer is

4.5i-0.5j+13.5k m/s

Hope it helps........