Motion Test - 2...

Which of the following defines displacement correctly?

Pick out the wrong statement about retardation.

The units of speed and average speed are

When particles move in a circle at a constant speed then the motion is said to be

Identify in which of the following graphs velocity of the moving object remains constant?

A jeep is accelerating uniformly in a straight line with $$5 m/s^2$$. Calculate the time required to cover a distance of 200 m if jeep starts from rest :

When a body moves in a circular motion :

Which of the following best define the acceleration of a particle:

A car is moving with speed $$2  \ m/s$$ crosses a electric post and starts accelerating at a constant rate of $$2 \ m/s^2$$. How far past the electric post will the car be after $$3 \ s$$?

A body is moving vertically upwards. Its velocity changes at a constant rate from $$50 m{s}^{-1}$$ to $$20 m{s}^{-1}$$ in $$3 s$$. What is its acceleration?