A person travels along a straight road for the first `(1/4)^(th)` time with speed `v_1` and for next `(3/4)^(th)` time with a speed `v_2` . Then the average speed of the person will be

A person travels along a straight road for the first (t)/(3) time with a speed v_(1) and for next (2t)/(3) time with a speed v_(2) . Then the mean speed v is given by

A person travels along a straight road for the first half with a velocity v_(1) and the second half time with a velocity v_(2) . Then the mean velocity vecv is given by

A person travels along a straight road for the half time with a velocity V_1 and the next half time with a velocity V_2 . The mean velocity V of the man is

A particle travels first half of the total time with speed v_1 and second half time with speed v_2. Find the average speed during the complete journey.

A man travels two-third part of his total distance with speed v_(1) and rest one-third part with speed v_(2) . Find out the average speed of the man?

A man travels one-third part of his total distance with speed v_(1) and rest two-third part with speed v_(2) . Find out the average speed of the man?

A car travels along a straight line for first half time with speed 40 km//h and the second half time with speed 60 km//h . Find the average speed of the car.

A person walks along a straight road from his house to a market 2.5kms away with a speed of 5 km/hr and instantly turns back and reaches his house with a speed of 7.5 kms/hr. The average speed of the person during the time interval 0 to 50 minutes is (in m/sec)

If a car covers (2)/(5)^(th) of the total distance with v_1 speed and (3)/(5)^(th) distance with v_2 . Then average speed is

If a car covers (2)/(5)^(th) of the total distance with v_1 speed and (3)/(5)^(th) distance with v_2 . Then average speed is