A car expends an energy of 25,000 J while moving at a constant speed of 5 `ms^(-1)`. What is the mass of car ?

A vehicle expends an energy of 4000 J while moving at a constant speed of 10 ms^(-1) . What is the mass of vehicle ?

A car runs around a curve of radius 10m at a constant speed of 10ms^(-1) . Consider the time interval for which car covers a curve of 120^(@) are:-

A car travels for 20 min with a constant speed of 54 km h^(-1) Find the distance travelled by the car.

A car travels a distance of 15 km in 20 minute. Find the speed of the car in ms^(-1)

bullets are fixed at regualr intervals of 10 second from a car moving with a speed of 30 ms^(-1) towards another car approaching with a speed of 60 m/s . The interval at which the firing can be reported is (Speed of sound = 330 ms^(-1)

A car is running at a speed of 15 km h^(-1) while another Similar car is moving at a speed of 45 km h^(-1) . Find the ratio of their kinetic energies.

A car travels a distance of 200 km in 3 h. Find the speed of car in ms^(-1)

A train of mass 100 tonnes is moving with a uniform speed of 2 ms^(-1) . Calculate the amount of energy possessed by the train. [Take 1 tonne=1000 kg] [200,000 J]

A car of mass 1000 kg moves on a circular path with constant speed of 16 m/s. It is turned by 90º after travelling 628 m on the road. The centripetal force acting on the car is-