Question

A particle has an initial velocity of (iˆ + ˆj)m/s and an acceleration of (iˆ − 3 ˆj )m/s2. Its magnitude of velocity after 1 second is

Answer 1

Answer:

2i-2j m/s

Explanation: a=v-u/t

i-3j+i+j=v, as t=1