Home
Class 12
PHYSICS
The current velocity of river grows in p...

The current velocity of river grows in proportion to the distance from its bank and reaches the maximum value `v_0` in the middle. Near the banks the velocity is zero. A boat is moving along the river in such a manner that the boatman rows his boat always perpendicular to the current. The speed of the boat in still water is u. Find the distance through which the boat crossing the river will be carried away by the current, if the width of the river is c. Also determine the trajectory of the boat.

Text Solution

Verified by Experts

The correct Answer is:
(i) ` (v_(0)d)/u` (ii) ` y^(2) = (udx)/v_(0) ( y gt d/2)`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    AAKASH INSTITUTE ENGLISH|Exercise Assignement section -I (Subjective )|2 Videos
  • MOCK_TEST_17

    AAKASH INSTITUTE ENGLISH|Exercise Example|15 Videos
  • MOTION IN A STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - D)|15 Videos

Similar Questions

Explore conceptually related problems

The width of a river is 2sqrt(3) km. A boat is rowed in direction perpendicular to the banks of river. If the drift of the boat due to flow is 2 km, the displacement of the boat is

A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is :

A boat of mass 90 kg is floating in still water. A boy of mass 30 kg walks from one end to the other on it. If the length of the boat is 3 m, then the distance through which the boat will move is

A boat crosses river of width 60sqrt(7)m inshortest possible path.Speed of river is 8m/s and speed of the boat in , still water is 6m/s .Find the time taken by boat(in seconds) to cross the river.

The velocity of a boat in still water is 10 m/s. If water flows in the river with a velocity of 6 m/s what is the difference in times taken to cross the river in the shortest path and the shortest time. The width of the river is 80 m.

A boat moves perpendicular to the bank with a velocity of 7.2 km/h. The current carries it 150 m downstream, find the velocity of the current. (The width of the river is 0.5 km).

A river 500m wide is flowing at a rate of 4 m//s. A boat is sailing at a velocity of 10 m//s with respect to the water, in a direction perpendicular to the river. The time taken by the boat to reach the opposite bank

A river is flowing with velocity 5km//hr as shown in the figure. A boat start from A and reaches the other bank by covering shortest possible distance. Velocity of boat in still water is 3km//hr . The distance boat covers is.

The width of a river is 3 sqrt(3) km. A boat has a velocity of sqrt(3) km/s and starts to cross the river in a direction perpendicular to the bank of the river. If the river is flowing with a velocity 2km/sec, find the distance drifted by the boat.

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 is