EXAMPLE-6 A person completes half of its his journey with speed v, and rest half with speed v.. The average speed of the person is [RPET 1993, MP PMT 2001] 20, 0, DU, (b) (c) (d) v=VD, 2. 1, +D, +), +0 a ided into huo al narts So
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let the entire journey the man covers = x
half distance = x/2
speed = v
another half distance = x/2
speed = v
speed = d/t
v = x/2/t
v = x/2/v = x/2 * 1/v = x / 2v
average speed = x/2 + x/2 / x/2v + x/2v = 2x/2 / 2x/2v = x / x/v = x * v/x = v
Explanation:
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