Q.:- A stone is thrown in a vertically upward direction with a velocity of 5 m s-1. If the acceleration of the stone during its motion is 10 m s-2 in…

Q.:- A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s afterstart?   Answer:- a = 4ms-2 t = 10s s…

Q.:- A trolley, while going down an inclined plane, has an acceleration of 2 cm s-2. What will be its velocity 3s after the start?   Answer:- Here, initial velocity,…

Q.:- A train is travelling at a speed of 90 kmh-1. Brakes are applied so as to produce a uniform acceleration of -0.5 ms-2. Find how far the train will…

Q.:- A bus starting from rest moves with a uniform acceleration of 0.1 ms-2 for 2 minutes. Find (a) the speed acquired, (b) the distance travelled.   Answer:- Here, acceleration a =…

Q.:- What is the quantity which is measured by the area occupied below the velocity-time graph?   Answer:- Area under the velocity-time graph gives the magnitude of displacement.

Q.:- What can you say about the motion of an object if its speed-time graph is a straight line parallel to the time axis? Answer:- Speed-time graph is a straight…

Q.:- What can you say about the motion of an object whose distance-time graph is a straight line parallel to the time axis?   Answer:- Distance-time graph is parallel to…

Q.:- What is the nature of the distance-time graphs for uniform and non-uniform motion of an object?   Answer:- (i) For uniform motion of an object, its distance-time graph is…

Q.:- A train starting from a railway station and moving with uniform acceleration attains a speed kmh-1 in 10 minutes. Find its acceleration.   Answer:- Train starts from railway station, so…