10. A change in indicates the acceleration of an object
O A the time of travel
OB the distance from a given point
O c displacement
OD velocity

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?