two trains A and B,each of length 100 m, in length are running in opposite driection on parallel tracks with velocities ` 40 kmh ^(-1) and 32 kmh^(-1)` . In what time will they completely cross each other ?

two trains A and B,each of length 100 m, in length are running in oppo

1.	two trains A and B,each of length 100 m, in length are running in opposite driection on parallel tracks with velocities ` 40 kmh ^(-1) and 32 kmh^(-1)` . In what time will they completely cross each other ?
Answer» Correct Answer - 10 s

Discussion

No Comment Found

Related InterviewSolutions

A bus is moving with a speed of `10 ms^-1` on a straight road. A scooterist wishes to overtake the bus in `10 s`. If the bus is at a distance of `1 km` from the scooterist with what speed should the scooterist chase the bus ?A. `20 ms^(-1)`B. `40 ms^(-1)`C. `25 ms^(-1)`D. `10 ms^(-1)`
A particle starts its motion from rest under the action of a constant force. If the distance covered in first `10 s` is `s_1` and the covered in the first `20 s` is `s_2`, then.A. `s_(2) = 2 s_(1)`B. `s_(2) = 3 s_(1)`C. `s_(2) = 4 s_(1)`D. `s_(2) = s_(1)`
A body is moving from rest under constant acceleration and let `S_1` be the displacement in the first `(p - 1)` sec and `S_2` be the displacement in the first `p` sec. The displacement in `(p^2 - p + 1)` sec. will beA. `S_(1) +S_(2)`B. `S_(1)S_(2)`C. `S_(1) -S_(2)`D. `S_(1)//S_(2)`
Water drops fall at regular intervals from a tap 5 m above the ground. The third drop is leaving the tap, the instant the first drop touches the ground. How far above the ground is the second drop at that instant. `(g = 10 ms^-2)`A. `2.50m`B. `3.75 m`C. `4.00m`D. `1.25m`
Velocity-time curve for a body projected vertically upwards is 0 times (s)A. ParabolaB. EllipseC. HyperbolaD. Straight line
A person travels along a straight road for the first half length with a velocity `v_(1) ` and the second half length with velocity ` v_(2)`. What is the mean velocity of the person ?A. `v_(1)v_(2)`B. `(v_(2)^(2))/(v_(1)^(2))`C. `(v_(1)+v_(2))/(2)`D. `(2v_(1)v_(2))/(v_(1)+v_(2))`
A train is moving due east and a car is moving due north with equal speeds. A passenger in the train finds that the car is moving towardsA. East-north directionB. West-north directionC. South-east directionD. None of these
A body is moving with velocity `30 m//s` towards east. After `10 s` its velocity becomes `40 m//s` towards north. The average acceleration of the body is.A. `7m//s^(2)`B. `sqrt(7)m//s^(2)`C. `5m//s^(2)`D. `1m//s^(2)`
A man goes 10 m towards North, then 20 m towards east then displacement isA. 22.5 mB. 25mC. 25.5mD. 30m
A body is thrown vertically upwards from the ground. It reaches a maximum height of `20 m` in `5s`. After what time it will reach the ground from its maximum height position ?A. `2.5 s`B. `5s`C. `10s`D. `25s`

two trains A and B,each of length 100 m, in length are running in opposite driection on parallel tracks with velocities ` 40 kmh ^(-1) and 32 kmh^(-1)` . In what time will they completely cross each other ?

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment