An ant moves along a circle 5 times in 1 minute with a uniform speed and a lizard moves in a straight line to and fro 5 times in 5 minutes. Then

The motion of the ant is uniformly accelerated but non periodic

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The motion of the lizard is uniformly accelerated but non periodic

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Both ant and lizard are periodic

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Both ant and lizard are accelerated and their direction is along the direction of velocity

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Solution

The correct option is C Both ant and lizard are periodic
The ant's velocity is in a tangential direction to its path and acceleration will be directed towards the centre of the circle. Thus, acceleration and velocity vectors are perpendicular to each other.
The lizard's velocity and acceleration are in the same direction, when it moves in a straight line.
But both of them are periodic
Thus the correct option is (c)

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