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A body can have zero average velocity but not zero average speed. Justify

Posted by Pubg Best Animation Movie. 5 years, 5 months ago

CBSE > Class 10 > Science

2 answers

Meghna Thapar 5 years, 5 months ago

Velocity has both magnitude and direction while speed only has magnitude.

Hence average velocity can be zero if a body travels to point 'A' and back to the origin, displacement is 0 so average velocity is also 0.

However, if the body travels the same distance to and fro the distance has some value "k". So no matter the time taken, the average speed will have some value but will never be 0.

0Thank You

Gaurav Seth 5 years, 5 months ago

Average velocity = Net displacement / time taken

Average speed = total distance / time taken

Net displacement can be zero but total distance can not be zero .

So, average velocity can be zero but average speed can not be zero .

0Thank You

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CBSE > Class 10 > Science