Question

A body of mass 5 kg is raised vertically to a
height of 10 m by a force of 170 N. The velocity
of the body at this height will be
(1) 15 m/s
(2) 37 m/s
(3) 9.8 m/s
(4) 22 m/s​

Answer 1

Explanation:

Ans is in the attached pic.

First apply Newton's Second law of motion.

Then apply Newton's third law of motion..