A boat crosses a river with a velocity of `8(km)/(h)`. If the resultin – InterviewSolution

1.	A boat crosses a river with a velocity of `8(km)/(h)`. If the resulting velocity of boat is `10(km)/(h)` then the velocity of river water isA. `12.8kmh^(-1)`B. `6kmh^(-1)`C. `8kmh^(-1)`D. `10kmh^(-1)`
Answer» Correct Answer - b

Discussion

No Comment Found

Related InterviewSolutions

Which one of the following is not the vector quantity?A. SpeedB. VelocityC. torqueD. Displaecment
The angles between the two vectors `vecA=3hati+4hatj+5hatk` and `vecB=3hati+4hatj-5hatk` will beA. `0^(@)`B. `45^(@)`C. `90^(@)`D. `180^(@)`
the circular motion of a particle with constant speed isA. Simple harmonic but not periodicB. Periodic and simple harmonicC. neither periodic nor simple harmonicD. periodic but not simple harmonic
9.8m/sA. 10 m/sB. 5.8m/sC. 17.3m/sD.
If a unit vector is represented by `0.5hati + 0.8hatj + chatk` the value of c isA. 1B. `sqrt(0.11)`C. `sqrt(0.01)`D. 0.39
Person aiming to reach the exactly opposite point on the bank of a stream is swimming with a speed of `0.5ms^(-1)` at an angle of `120^(@)` with the direction of flow of water.The speed of water in the stream isA. 1.0m/sB. 0.5m/sC. 0.25m/sD. 0.43m/s
A missile is fired for maximum range with an initial velocity of `20m//s`. If `g=10m//s^(2)`, the range of the missile isA. 50 mB. 60 mC. 20 mD. 40 m
A body is whirled in a horizontal circle of radius `20cm`. It has an angular velocity of `10rad//s`. What is its linear velocity at any point on the circular pathA. `sqrt(2)m//s`B. 2 m/sC. 10 m/s, 10 m/sD. 20 m/s
When milk is churned, cream gets separated due toA. Centripetal forceB. Centrifugal forceC. friction forceD. Gravititional force
the resultant of A x 0 will be equal toA. zeroB. AC. Zero vectorD. unit vector