Identify and write the contacts that indicate uniform velocity in the following.(a) Movement of a car along a straight line with uniform speed. (b) Movement of a car along a circular path with Uniform speed.(c) Movement of a rocket that has successfully launched a satellite.(d) Movement of a lift with uniform speed. (e) Movement of a ball in a football tournament.
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The contacts that indicate uniform velocity in the following are: (a) and (d)
Explanation:
Let's analyse which of the givens are indicate uniform velocity,
- (a) In the case of the car moving in a straight line with uniform speed is neither changing its direction nor speed, hence this indicates uniform velocity.
- (b) For a car moving in a circular path with uniform velocity is continuously changes its direction, so it is not a example uniform velocity.
- (c) Movement of a rocket that has successfully launched a satellite does not indicate a uniform velocity, because velocity of a rocket depends on many factors.
- (d) The movement of a lift with uniform speed indicates uniform velocity, because it is moving in one direction with uniform speed.
- (e) In a football match a ball is continuously changing its direction as well as it is not in a uniform speed, hence it is not a example of uniform velocity.
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