A force of 25N acts on a body at rest for 0.2s and a force of 70N acts for the next 0.1s in opposite direction .If the final velocity of the body is 5ms,the mass of the body is

Question

Scott · Accepted Answer

7 N∙s - 5 N∙s = 2 N∙s m v = 2 N∙s m = 2/5 kg

g.bhavishya · Answer

how do you get 7ns-5ns from the question i didn't understand

Favour · Answer

I don't understand the way you solved the question