Question

The velocity of a body changes from 1.5 m/
sec. to 4.5 m/sec. in 1.5 sec as a certain
force acts on it. Later this same force is
applied for 2 sec. How much does the speed
change in 2 sec.
​

Answer 1

Change in velocity will be 4m/s.

Answer 2

Answer:

Explanation: the speed changes to 8.5m/sec