What is work done to the car from 30km/h to 60km/h at 150kg what is work done
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Mass of the car=150kg
Initial velocity of the car =
u=30km/h=30×1000/3600=25/3ms-¹
Final velocity of the car =60km/h
=60×1000 /3600 =50/3ms-¹
So,
Work done from the car =increased in K. E. Of the car
=final K. E. - initial K. E.
=1/2×150×(50/3)²-(25/3)²
=1/2×150(50/3+25/3)(50/3-25/3)
=150/2×75/3×25/3
=15,625 J
Hope its Help you!!
Initial velocity of the car =
u=30km/h=30×1000/3600=25/3ms-¹
Final velocity of the car =60km/h
=60×1000 /3600 =50/3ms-¹
So,
Work done from the car =increased in K. E. Of the car
=final K. E. - initial K. E.
=1/2×150×(50/3)²-(25/3)²
=1/2×150(50/3+25/3)(50/3-25/3)
=150/2×75/3×25/3
=15,625 J
Hope its Help you!!
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