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The velocity time graph of a body is shown in figure.

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It implies that at point B

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Important Questions on Motion in a Straight Line

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A ball is dropped vertically from a height d above the ground. It hits the ground and bounces up vertically to a height d/2. Neglecting subsequent motion and air resistance, its velocity v varies with height h above the ground as
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The given graph shows the variation of velocity v with position x for a particle moving along a straight line

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Which of the following graph shows the variation of acceleration a with position x?

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Consider the acceleration, velocity and displacement of a tennis ball as its falls to the ground and bounces back. Directions of which of these change in the process?
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A car moves in positive Y-direction with velocity v proportional to distance travelled y as vyyβ, where β is a positive constant. The car covers a distance L with average velocity v proportional to L as vL1/3. The constant β is given as
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All the graphs below are intended to represent the same motion. One of them does it incorrectly. Select the incorrect option.
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A fly is in rectilinear motion as described by the graph. The average speed of the fly is

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The velocity (v) and time (t) graph of a body in a straight line motion is shown in the figure. The point S is at 4.333 seconds. The total distance covered by the body in 6 s is :

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A particle shows the distance-time curve as shown in the figure. The maximum instantaneous velocity of the particle is around the point.

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Average velocity of a particle executing SHM in one complete vibration is
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The position vector of a particle changes with time according to the relation rt=15t2i^+4-20t2j^. What is the magnitude of the acceleration at t=1?
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If a particle's position is given by x=4-12t+3t2 where t is in the seconds and x in meters. What is its velocity at t=1s? Whether the particle is moving in positive x direction or negative x direction?
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Two cars P and Q start from a point at the same time in a straight line and their positions are represented by XPt=at+bt2 and XQt=ft-t2. At what time do the cars have the same velocity?
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Acceleration-time graph of a body moving in a straight line is as shown in figure. The body started its motion from rest.

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At which point is the body moving with the largest speed?

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The following figure shows the speed-time graph of a particle moving along a fixed direction. The distance travelled by the particle between time t=0 s to t=6 s is

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The displacement of a body is given by x=4t+5t3, where x is in metre and t is in second. The difference between the average velocity of the body in the time-interval t=1 s to t=2 s and its instantaneous-velocity at t=1 s is
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If the velocity-time graph has the shape AMB, what would be the shape of the corresponding acceleration-time graph?

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A bus travels at 110 km h-1 (kilometers per hour) on open highway. Its speed in metres per second is
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An aircraft is moving with uniform velocity 150 m s-1  in the space. If all forces acting on it are balanced, then it will
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An object at rest at the origin begins to move in the +x direction with a uniform acceleration of 1 m s-2 for 4 s and then it continues moving with a uniform velocity pf 4 m s-1 in the same direction. The x-t graph for object's motion will be-
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A body moves along a straight line with acceleration 3s-2 for 2 s and then with acceleration 4 s-2 for 3 s. What is his average acceleration?