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General
Easy
Question
The x-t graph of a particle moving along a straight line is shown in figure
The a-t graph of the particle is correctly shown by
The correct answer is:
Related Questions to study
physics-
A particle of mass 1 kg is acted upon by a force 'F' which varies as shown in the figure. If initial velocity of the particle is 10 ms–1, the maximum velocity attained by the particle during the period is
A particle of mass 1 kg is acted upon by a force 'F' which varies as shown in the figure. If initial velocity of the particle is 10 ms–1, the maximum velocity attained by the particle during the period is
physics-General
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The graph of position x versus time t represents the motion of a particle. If b and c are both positive constants, which of the following expressions best describes the acceleration a of the particle?
The graph of position x versus time t represents the motion of a particle. If b and c are both positive constants, which of the following expressions best describes the acceleration a of the particle?
physics-General
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The acceleration of a particle which moves along the positive x-axis varies with its position as shown. If the velocity of the particle is 0.8 m/s at x = 0 , the velocity of the particle at x = 1.4 is(in m/s)
The acceleration of a particle which moves along the positive x-axis varies with its position as shown. If the velocity of the particle is 0.8 m/s at x = 0 , the velocity of the particle at x = 1.4 is(in m/s)
physics-General
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A man moves in x-y plane along the path shown. At what point is his average velocity vector in the same direction as his instantaneous velocity vector. The man starts from point P.
A man moves in x-y plane along the path shown. At what point is his average velocity vector in the same direction as his instantaneous velocity vector. The man starts from point P.
physics-General
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A disc arranged in a vertical plane has two groves of same length directed along the vertical chord AB and CD as shown in the fig. The same particles slide down along AB and CD. The ratio of the time tAB/tCD is
A disc arranged in a vertical plane has two groves of same length directed along the vertical chord AB and CD as shown in the fig. The same particles slide down along AB and CD. The ratio of the time tAB/tCD is
physics-General
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Acceleration versus velocity graph of a particle moving in a straight line starting from rest is as shown in figure. The corresponding velocity-time graph would be
Acceleration versus velocity graph of a particle moving in a straight line starting from rest is as shown in figure. The corresponding velocity-time graph would be
physics-General
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Tangential acceleration of a particle moving in a circle of radius 1 m varies with time t as (initial velocity of particle is zero). Time after which total acceleration of particle makes and angle of 30° with radial acceleration is
Tangential acceleration of a particle moving in a circle of radius 1 m varies with time t as (initial velocity of particle is zero). Time after which total acceleration of particle makes and angle of 30° with radial acceleration is
physics-General
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When a satellite moves around the earth in a certain orbit, the quantity which remains constant is :
When a satellite moves around the earth in a certain orbit, the quantity which remains constant is :
physics-General
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A truck starting from rest moves with an acceleration of 5 m/s2 for 1 sec and then moves with constant velocity. The velocity w.r.t ground v/s time graph for block in truck is ( Assume that block does not fall off the truck)
A truck starting from rest moves with an acceleration of 5 m/s2 for 1 sec and then moves with constant velocity. The velocity w.r.t ground v/s time graph for block in truck is ( Assume that block does not fall off the truck)
physics-General
physics-
If position time graph of a particle is sine curve as shown, what will be its velocity-time graph.
If position time graph of a particle is sine curve as shown, what will be its velocity-time graph.
physics-General
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Figure shows the orbit of a planet P round the sun S. AB and CD are the minor and major axes of the ellipse.
If a tunnel is cut at any orientation through earth, then a ball released from one end will reach the other end in time(neglect earth rotation)
Figure shows the orbit of a planet P round the sun S. AB and CD are the minor and major axes of the ellipse.
If a tunnel is cut at any orientation through earth, then a ball released from one end will reach the other end in time(neglect earth rotation)
physics-General
physics-
Figure shows the orbit of a planet P round the sun S. AB and CD are the minor and major axes of the ellipse.
If U is the potential energy and K kinetic energy then 
at
Figure shows the orbit of a planet P round the sun S. AB and CD are the minor and major axes of the ellipse.
If U is the potential energy and K kinetic energy then at
physics-General
physics-
Figure shows the orbit of a planet P round the sun S. AB and CD are the minor and major axes of the ellipse.
If t1 is the time taken by the planet to travel along ACB and t2 the time along BDA, then
Figure shows the orbit of a planet P round the sun S. AB and CD are the minor and major axes of the ellipse.
If t1 is the time taken by the planet to travel along ACB and t2 the time along BDA, then
physics-General
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Consider two configurations of a system of three particles of masses m, 2m and 3m. The work done by external agent in changing the configuration of the system from figure (i) to figure (ii) is
i) 
ii) 
Consider two configurations of a system of three particles of masses m, 2m and 3m. The work done by external agent in changing the configuration of the system from figure (i) to figure (ii) is
i)
ii)
physics-General
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A small ball of mass ‘m’ is released at a height ‘R’ above the earth surface, as shown in the figure above. If the maximum depth of the ball to which it goes is R/2 inside the earth through a narrow grove before coming to rest momentarily. The grove, contain an ideal spring of spring constant K and natural length R, find the value of K if R is radius of earth and M mass of earth
A small ball of mass ‘m’ is released at a height ‘R’ above the earth surface, as shown in the figure above. If the maximum depth of the ball to which it goes is R/2 inside the earth through a narrow grove before coming to rest momentarily. The grove, contain an ideal spring of spring constant K and natural length R, find the value of K if R is radius of earth and M mass of earth
physics-General
