Question
Physics Question on work, energy and power
Velocity-time graph for a body of mass 10kg is shown in figure. Work-done on the body in first two seconds of the motion is :
A
12000 J
B
-12000 J
C
-4500 J
D
-9300 J
Answer
-4500 J
Explanation
Velocity-time graph for a body of mass 10kg is shown in figure. Work-done on the body in first two seconds of the motion is :
12000 J
-12000 J
-4500 J
-9300 J
-4500 J