A car moving on a straight road due north with a uniform speed of `50 km h^(-1)` when it returns left through `90^(@)`. If the speed remains unchanged after turning process is

A car is moving on a straight road due north with a uniform speed of 50kmh^(-1) when it turns left through 90^(@). If the speed remains unchanged after turning,the change in the velocity of the car in the turning process is

A car is moving on a straight road due north with a uniform speed of 50 km h^-1 when it turns left through 90^@ . If the speed remains unchanged after turning, the change in the velocity of the car in the turning process is

A bus is moving on a straight road towards north with a uniform speed of 50 km//hour turns left through 90^(@) . If the speed remains unchanged after turning, the increase in the velocity of bus in the turning process is

A bus is moving on a straight road towards north with a uniform speed of 50 km//hour turns through 90^(@) . If the speed remains unchanged after turning, the increase in the velocity of bus in the turning process is

A car is moving along a straight level road with constant speed. Then

A car is moving along a road with a uniform speed of 20 km/hour. The net force acting on the car is

A car is moving on a straight road covers one third of the distance with a speed of 30 km/h and the rest with a speed of 50 km/h. The average speed of the car is