Equations of Motion
Important Questions on Equations of Motion
A car starting from rest accelerates uniformly to acquire a speed of in . The distance travelled by the car in this interval will be :

The correct equation of motion is :

Write an expression for the distance covered in time by a body which is initially at rest and starts moving with a constant acceleration .

Write three equations of uniformly accelerated motion relating the initial velocity , final velocity , time , acceleration and displacement .

A train starts from rest and accelerates uniformly at a rate of for . It then maintains a constant speed for . The brakes are then applied and the train is uniformly retarded and comes to rest in . Find the average velocity of the train.

A train starts from rest and accelerates uniformly at a rate of for . It then maintains a constant speed for . The brakes are then applied and the train is uniformly retarded and comes to rest in . Find the total distance travelled by the train.

A train starts from rest and accelerates uniformly at a rate of for . It then maintains a constant speed for . The brakes are then applied and the train is uniformly retarded and comes to rest in . Find the retardation in the last .

A train starts from rest and accelerates uniformly at a rate of for . It then maintains a constant speed for . The brakes are then applied and the train is uniformly retarded and comes to rest in . Find the maximum velocity reached.

A space craft flying in a straight course with a velocity of fires its rocket motors for . At the end of this time, its speed is in the same direction. Find the distance travelled by the space craft in the first after the rocket motors were started, the motors having been in action for only .

A space craft flying in a straight course with a velocity of fires its rocket motors for . At the end of this time, its speed is in the same direction. Find the space craft's average acceleration while the motors were firing.

A car travels with a uniform velocity of for . The brakes are then applied and the car is uniformly retarded and comes to rest in further . Find the distance travelled by the car after applying the brakes.

A car travels with a uniform velocity of for . The brakes are then applied and the car is uniformly retarded and comes to rest in further . Find the retardation.

A car travels with a uniform velocity of for . The brakes are then applied and the car is uniformly retarded and comes to rest in further . Find the distance which the car travels before the brakes are applied.

A body moving with a constant acceleration travels the distances and respectively in and . Calculate the acceleration of body.

A body moving with a constant acceleration travels the distances and respectively in and . Calculate the initial velocity of body.

A body moves from rest with a uniform acceleration and travels in . Find the velocity of the body at after the start.

When brakes are applied to a bus, the retardation produced is and the bus takes to stop. Calculate the distance travelled by bus during this time.

When brakes are applied to a bus, the retardation produced is and the bus takes to stop. Calculate the initial velocity of bus during this time.

A car travels a distance with a constant acceleration and average velocity of . The final velocity acquired by the car is . Find the acceleration of car.

A car travels a distance with a constant acceleration and average velocity of . The final velocity acquired by the car is . Find the initial velocity of car.

