If the velocity of the car of mass 1500kg is incresed from 30km/h to 60km/h , the work done will be(in kj)?
Answers
Answered by
0
The work done will be in kinetic energy.
Answered by
1
from work energy theorem
work done=change in kinetic energy
=1/2m(v^2-u^2)
30km/h=30*5/18=8.33m/s
60km/h=60*5/18=16.66m/s
work done=1500/2 (16.66^2-8.66^2)
=750*202.56
=151920j
work done=change in kinetic energy
=1/2m(v^2-u^2)
30km/h=30*5/18=8.33m/s
60km/h=60*5/18=16.66m/s
work done=1500/2 (16.66^2-8.66^2)
=750*202.56
=151920j
Similar questions