Calculate the amount of work required to Stop a car of 1000kg moving with a speed of 72 km/h
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Answered by
20
Here ,
Initial Velocity = u = 72 km/h = 20m/s
Final Velocity = v = 0 m/s
Mass of the body = m = 1000 kg
Now using the concept of Work Energy Theorem :
Work Done = ½mv²-½mu² = 0-½×1000×20 = 10000 N
The total work done is 10000 N.
Answered by
2
Answer:
ACCORDING FORMULA
0-1/2×1000=10000
TOTAL WORK DONE BY 10000N
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