what is the work done to increase the velocity of a car from 30 km/h to 60km/h
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Answered by
1
Step-by-step explanation:
Work = Change in kinetic energy
= 0.5 m (v² - u²)
= 0.5 × 1500 kg × [(60 × 5/18 m/s)² - (30 × 5/18 m/s)²]
= 156250 joules
= 156.25 kJ
Work done is 156.25 kJ
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Answered by
1
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