A force 2hati+hatj+hatk newtons acts on aa body which is initially at rest. At the end of 20 seconds the velocity of the body is 4hati+2hatj-2hatk m//s. What is the mass of the body?

A force 2hati+hatj+hatk newtons acts on aa body which is initially at

1.	A force 2hati+hatj+hatk newtons acts on aa body which is initially at rest. At the end of 20 seconds the velocity of the body is 4hati+2hatj-2hatk m//s. What is the mass of the body?
Answer» SOLUTION :`m=10kg`