Question

a particle has itial velocity 3i+4j and has acceleration 0.4 +0.3j its speed after 10s

Answer 1

Answer:

Given:

u=3i+4j

a=0.4+0.3j

and, t=10 sec

Using equations 1:-

V=u+at

=> 3i+4j+(0.4i+0.3j)(10)

=> 3i+4j+4i+3j

=> 7i+7j

=> 7(i+j)