Motion in a Straight Line
Which of the following physical quantities can be represented by the slope of a position-time graph?
The area under the velocity-time graph represents which of the following quantities?
What does the slope of a velocity-time graph represent?
If the position of an object is given by x = a + bt^2, where a and b are constants, then its instantaneous acceleration at time t is:
Which of the following can be zero even when a particle has a non-zero average speed for a given time interval?
The ratio of magnitude of displacement to total distance covered is always:
A car travels the first half of a distance with a speed of 40 km/h and the second half with a speed of 60 km/h. The average speed of the car is:
The motion of an object along a straight line is described by the equation x = 3t - 4t^2 + t^3. What is the initial velocity of the object?
A body is dropped from a height h. The time taken by the body to reach the ground is proportional to:
Which of the following equations represents the relation between velocity, acceleration, and displacement for uniformly accelerated motion?
If an object is thrown vertically upwards with a velocity u, the maximum height attained by it is given by:
The displacement-time graph of a body moving with uniform acceleration is a:
A particle moves along a straight line such that its displacement s at any time t is given by s = t^3 - 6t^2 + 3t + 4 meters. The velocity when the acceleration is zero is:
The instantaneous speed of a body is equal to the magnitude of its:
Which of the following graphs cannot possibly represent one-dimensional motion of a particle?
A train is moving with a velocity of 60 km/h. It is brought to rest in 2 minutes by applying brakes. What is the retardation of the train?
The distance travelled by a body falling freely from rest in the first, second, and third seconds of its motion are in the ratio:
If the velocity of a particle is given by v = At + Bt^2, where A and B are constants, then the distance travelled by the particle between 1 s and 2 s is:
A car moving with a speed of 50 km/h can be stopped by brakes after at least 6m. If the same car is moving at 100 km/h, the minimum stopping distance is:
Which of the following quantities is a vector quantity?