A body can have 0 average velocity but not 0 average speed. Justify your answer.
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Velocity is vector quantity but speed is scaler suppose if one travels for half time from East to West 30 m and then travels half time West to East 30 m then
If velocity of East to West is v then West to East is - v so average velocity is v-v/2=0
But as speed is scaler quantity
If speed of East to West is v then West to East is also v so average velocity is v+v/2=v
Hence it touches validity of statement
If velocity of East to West is v then West to East is - v so average velocity is v-v/2=0
But as speed is scaler quantity
If speed of East to West is v then West to East is also v so average velocity is v+v/2=v
Hence it touches validity of statement
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