The velocity of car increase from 54km/hr to 72km/hr.How much is the work done if the mass of the car is 1500 kg?

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Q. What is the work done to increase the velocity of a car from

30 k m h^{- 1}

60 k m h^{- 1}

, if the mass of the car is

1500 k g

What is the work to be done to increase the velocity of a car from $30 k m h^{- 1}$ to $60 k m h^{- 1}$ ? If the mass of the car is $1500 k g$ ?

What is the amount of work to be done on a car of mass $1000kg$ to increase its velocity from 10km/hr to 20km/hr?

What is the work to be done to increase the velocity of a car from 30 km per hour to 60 km per hour if the mass of the car is 1500 kg?

Solve:

(1) Ajit carries a load of 17 kg from the ground on his head and takes it to the height of 2 m from the ground. Calculate the work done by him. (333.2 J)

(2) The velocity of a car increases from 54 km/hr to 72 km/hr. If the mass of the car is 1500 kg find the work done to increase the velocity. (131250 J)

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