Physics-
General
Easy
Question
An ant goes from
to Q on a circular path in 20 second Radius OP=10 m. What is the average speed and average velocity of it ?

The correct answer is: 
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As shown in the figure a particle starts its motion from 0 to
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Maths-
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For such questions, concept of scalar product is important. When we take a dot product of two vectors, we get a scalar value. This is called as scalar product.
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Maths-General
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physics
The figure shows elliptical orbit of a planet m about the sun s . the shaded area SCD is twice, the Saded area SAB. If t1 is the time tor the planet to move trom C' and U and t2 is the time to move from A to B then

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A Particle of mass
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. Which one of the following graph is of speed 
physics-General