A ship is moving at a speed of `56 km//h`. One second later , it is moving at `58 km//h`. What is its acceleration?

A bus was moving with a speed of 54 km//h . On applying brakes , it stopped in 8 seconds . Calculate the acceleration and the distance travelled before stopping.

(a) A car travels first 30 km at a uniform speed of 20 km//h and next 30 km at a uniform speed of 40 km//h . What is its average speed ? (b) A scooter acquires a speed of 36 km//h in 10 s . What is its acceleration?

A car increases its speed from 20 km//h to 50 km//h in 10 seconds. What is its acceleration?

A car travelling at 20 km/h speeds up to 6 km/h in 6 seconds. What is its acceleration ?

A car travelling at 36 km//h speeds upto 72 km//h in 5 seconds. What is its acceleration ? If the same car stops in 20 seconds , what is the acceleration?