What is the work done to increase the velocity of a car from 10 m/s to 20m/s? If mass of a car is 1500 kg?
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Answer :
225000 is work done
Explanation:
w=1/2 m(v²-u²)
w=1/2×1500×(20²-10²)
w=1/2×1500×(400-100)
w=1/2×1500×300
w= 150×1500
w=225000
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