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Standard XII

Physics

v-t Graph

A man moves i...

Question

A man moves in $x - y$ plane along the path along the path shown. At what point is his average velocity vector in the same direction as his instantaneous velocity vector. The man starts from point $P$ .

A

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B

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C

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D

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Solution

The correct option is C $C$
The average velocity will be zero for the region below the line.
Now, The average velocity of the region from point P till the line will be nullified by the vertical component of velocity of region BCD.
Thus, the average velocity will only be in the right direction.
Thus, direction of average velocity will be same as instantaneous velocity of point C.

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A man moves in x−y plane along the path along the path shown. At what point is his average velocity vector in the same direction as his instantaneous velocity vector. The man starts from point P.

A man moves in $x - y$ plane along the path along the path shown. At what point is his average velocity vector in the same direction as his instantaneous velocity vector. The man starts from point $P$ .