A car weighing 2000 kg is accelerated from rest and covers a distance of 40 m in 6 sec. Calculate the work done by the car.
Answers
Answered by
6
Hey!
___________________________
Mass= 2000kg
Initial velocity= 0
Final velocity= ?
Distance = 40m
Time= 6s
Work done= 1/2 mv^2
Work done= 1/2×2000×v^2
Speed= Distance/Time
v= 40/6
v= 20/3
Now,
W.D= 1/2×2000×20/3×20/3
W.D=44,444.4444
Thus, the work done by the car is 44,444.44 J
___________________________
Hope it helps...!!!
___________________________
Mass= 2000kg
Initial velocity= 0
Final velocity= ?
Distance = 40m
Time= 6s
Work done= 1/2 mv^2
Work done= 1/2×2000×v^2
Speed= Distance/Time
v= 40/6
v= 20/3
Now,
W.D= 1/2×2000×20/3×20/3
W.D=44,444.4444
Thus, the work done by the car is 44,444.44 J
___________________________
Hope it helps...!!!
Similar questions