A car of mass 400 kg and travelling at 72 km/h hits a truck of mass 4000 kg and travelling at 9 km/hr in the same direction. The car bounces bact at a speed of 18 km/h. What is the speed of the truck after the impact?

A car of mass one metric ton travelling at 32m//s c dashes into the rear of a truck of mass 8000kg moving in the same direction with a velocity of 4m//s After the collision the car bounces back wards with a velocity of 8m//s What is the velocity of the truck after the impact ?

A car travels from City A to City B at a speed of 40km/hr and from B to A at a speed of 60km/hr. What is the average speed of the car?

A car of mass 2500 kg is moving in a circular track of diameter 100m with a speed of 72 km//h . What is the angular momentum of the car ?

A car of mass 1200 kg is travelling around a circular path of radius 250 m with a steady speed of 72 km/hour. What is its angular momentum ?

A car travels a distance AB at a speed of 40 km/hr and returns to A at a speed of 30 km/hr. What is the average speed for the whole journey?

A car travels a distance AB at a speed of 40 km/hr and returns to A at a speed of 30 km/hr. What is the average speed for the whole journey?