Discussion Forum : Physics
Question -

A person travelling on a straight line moves with a uniform velocity `v_1` for some time and with uniform velocity `v_2` for the next the equal time . The average velocity v is given by

Options:
A .  v =`(v_1 +v_2)/2`
B .  `2/v=1/v_1 +1/v_2`
C .  v= `sqrt(v_1 v_2)`
D .  `1/v = 1/v_1 +1/v_2`
Answer: Option A


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