Home
Class 11
PHYSICS
If a car covers 2/5th of the total dista...

If a car covers 2/5th of the total distance with `v_1` speed and 3/5th distance with `v_2` then average speed is

A

`1/2 sqrt(v_(1)v_(2))`

B

`(v_(1)+v_(2))/(2)`

C

`(2v_(1)v_(2))/(v_(1)+v_(2))`

D

`(5v_(1)v_(2))/(3v_(1)+2v_(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

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

A particle covers half of its total distance with speed v_1 and the rest half distance with speed v_2 . Its average speed during the complete journey is.

One car moving on a straight road covers one third of the distance with 20 km/hr and the rest with 60 km/hr. The average speed is

A particle travels half of the time with constant speed 2 m//s, In remaining half of the time it travels, 1/4 th distance with constant speed of 4 m//s and 3/4 th distance with 6 m//s. Find average speed during the complete journey.

A vehicle travels half the distance (L) with speed V_1 and the other half with speed V_2 , then its average speed is .

A vehicle travels half the distance (L) with speed V_1 and the other half with speed V_2 , then its average speed is .

A vehicle travels half the distance (L) with speed V_1 and the other half with speed V_2 , then its average speed 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 car covers a distance of 2 km in 2.5 minutes. If it covers half of the distance with speed 40km//hr , the rest distance it shall cover with a speed of :