Find the total distance covered

A boat takes 6 hours less to travel a distance downstream than to travel the same distance upstream. If the speed of the boat in still water is 9 km/hr and speed of stream is 3 km/hr. Find the total distance covered by the boat.

The initial velocity of a car is 10m/s . It accelerates uniformly at 2m/s_2 for 20s and thereafter retards uniformly at 4m/s_2 . Find the total distance covered by the car before it comes to rest . For how much time the car is in motion ?

A car starts from rest and moves with a uniform acceleration of 1 m//s^2 ? for 10 seconds. It then moves with a uniform velocity for 30 seconds. The brakes are then applied and the car is brought to rest in 10 seconds. Find the total distance covered by the car.

An aeroplane first flew with a speed of 440 kmph and covered a certain distance. It still had to cover 770 km less than what it had already covered, but it flew with a speed of 660 kmph. The average speed for the entire flight was 500 kmph. Find the total distance covered. 1375 k m b. 2750 k m c. 3250 k m d. 4400 k m

A bird flies to and fro between two cars wich move with velocities v_(1) and v_(2) , If the speed of the bird is v_(3) and the initial distance ofseparation between then is d , find the total distance covered bythe bird till the cars meet. .

A bird flies to and fro between two cars wich move with velocities v_(1) and v_(2) , If the speed of the bird is v_(3) and the initial distance ofseparation between then is d , find the total distance covered bythe bird till the cars meet. .

A car from stationary state moves in positive X direction with constant acceleration 5 ms^(-2) for 8 s. Then it moves with constant velocity, then find the total distance covered by car after 12 s from the initial position.

A bird flies to and fro between two cars which moves with velocities v_1 = 20 m//s and v_2 = 30 m//s . If the speed of the bird is v_3 = 10 m//s and the initial distance of separation between them is d = 2 km , find the total distance covered by the bird till the cars meet.