A branch of physics dealing with motion without considering its causes is known as
The three initial and final positions of a man on the x-axis are give as (1) (-3 m, 7 m) (2) (7m, -3 m) (3) (-7m, 3m) Which pair gives the negative displacement?
A drunkard is walking along a straight road. He takes 5 steps forward and 3 steps backward and so on. Each step is 1 m long and takes 1 s. There is a pit on the road 11 m away from the starting point. The drunkard will fall into the pit after
The numerical ratio of distance to displacement is
If a man goes 10 m toward north and 20 m toward east, then his displacement is
Which of the following changes when a particle is moving with uniform velocity?
The area under velocity-time graph for a particle in a given interval of time represents
A cyclist moving on a circular track of radius 40 m completes half a revolution in 40 s. Its average velocity is
Speedometer of a car measures
The velocity of the particle at any time t is given by v=2t(3-t)ms¯¹ At what time is its velocity maximum?
A particle moves with uniform velocity. Which of the following statements about the motion of the particle is true?
Speedometer measures the speed of the car in
The slope of the tangent drawn on velocity-time graph at any instant of time is equal to the instantaneous
The area under acceleration-time graph represents the
Which of the following statements is not correct regarding the motion of a particle in a straight line?
The displacement of a body is given to be proportional to the cube of time elapsed. The magnitude of the acceleration of the body is
The velocity of a particle at an instant is 10ms¯¹. After 3 s its velocity will becomes 16ms¯¹ . The velocity at 2 s, before the given instant will be
A player throws a ball vertically upwards with velocity u. At highest point,
Free fall of an object in vacuum is a case of motion with
