Physics-
General
Easy
Question
The displacement of the particle varies with time according to the relation Then the velocity of the particle is
-
-
-
- None of these
The correct answer is:
Related Questions to study
Physics-
A cricket ball is thrown up with a speed of . The maximum height it can reach is
A cricket ball is thrown up with a speed of . The maximum height it can reach is
Physics-General
Physics-
A ball is thrown vertically upwards. Which of the following plots represents the speed-time graph of the ball during its flight if the air resistance is not ignored
A ball is thrown vertically upwards. Which of the following plots represents the speed-time graph of the ball during its flight if the air resistance is not ignored
Physics-General
Physics-
Two bodies of different masses and are dropped from two different heights and . The ratio of the time taken by the two to cover these distances are
Two bodies of different masses and are dropped from two different heights and . The ratio of the time taken by the two to cover these distances are
Physics-General
Physics-
A body projected vertically upwards with velocity returns to the starting point in seconds. If , the value of is
A body projected vertically upwards with velocity returns to the starting point in seconds. If , the value of is
Physics-General
Physics-
A body is moving from rest under constant acceleration and let be the displacement in the first sec and be the displacement in the first sec. The displacement in see will be
A body is moving from rest under constant acceleration and let be the displacement in the first sec and be the displacement in the first sec. The displacement in see will be
Physics-General
Physics-
A man is behind the bus when the bus start accelerating from rest with acceleration . With what minimum velocity should the man start running to catch the bus
A man is behind the bus when the bus start accelerating from rest with acceleration . With what minimum velocity should the man start running to catch the bus
Physics-General
Physics-
A body dropped from a height with an initial speed zero, strikes the ground with a velocity . Another body of same mass is dropped from the same height with an initial speed . Find the final velocity of second body with which it strikes the ground
A body dropped from a height with an initial speed zero, strikes the ground with a velocity . Another body of same mass is dropped from the same height with an initial speed . Find the final velocity of second body with which it strikes the ground
Physics-General
Physics-
When a ball is thrown up vertically with velocity , it reaches a maximum height of . If one wishes to triple the maximum height then the ball should be thrown with velocity
When a ball is thrown up vertically with velocity , it reaches a maximum height of . If one wishes to triple the maximum height then the ball should be thrown with velocity
Physics-General
Physics-
Which graph represents a state of rest for an object
Which graph represents a state of rest for an object
Physics-General
Physics-
The distance between two particles moving towards each other is decreasing at the rate of . If these particles travel with same speeds and in the same direction, then the separation increase at the rate of . The particles have speeds as
The distance between two particles moving towards each other is decreasing at the rate of . If these particles travel with same speeds and in the same direction, then the separation increase at the rate of . The particles have speeds as
Physics-General
Physics-
A particle moving along a straight line has a velocity , when it cleared a distance of metre. These two are connected by the relation . When its velocity is its acceleration (in )is
A particle moving along a straight line has a velocity , when it cleared a distance of metre. These two are connected by the relation . When its velocity is its acceleration (in )is
Physics-General
Physics-
A body moves 6m north, 8m east and 10m vertically upwards, what is its resultant displacement from initial position?
A body moves 6m north, 8m east and 10m vertically upwards, what is its resultant displacement from initial position?
Physics-General
Physics-
The retardation experienced by a moving motor boat, after its engine is cut off, is given by
where is a constant.
If is the magnitude of the velocity at cut-off, the magnitude of the velocity at time after the cut-off is
The retardation experienced by a moving motor boat, after its engine is cut off, is given by
where is a constant.
If is the magnitude of the velocity at cut-off, the magnitude of the velocity at time after the cut-off is
Physics-General
Physics-
The displacement-time graph of a moving particle is shown below. The instantaneous velocity of the particle is negative at the point
The displacement-time graph of a moving particle is shown below. The instantaneous velocity of the particle is negative at the pointPhysics-General
Physics-General
Physics-
A bee files a line from a point to another point in 4 s with a velocity of . The distance between and in metre is
A bee files a line from a point to another point in 4 s with a velocity of . The distance between and in metre is
Physics-General