A man walking on a road with a velocity ...

A man walking on a road with a velocity of 5 km per hour encounters rain falling vertically with a velocity of 25 km per hour. At what angle should he holds his umbrella in order to protect himself form the rain?

Text Solution

Verified by Experts

The correct Answer is:

`11^(@)19`' with the vertical

Topper's Solved these Questions

COMPOSITION AND RESOLUTION OF VELOCITIES
NN GHOSH|Exercise Exercise|25 Videos
CENTRIPITAL AND CENTRIFUGAL FORCES
NN GHOSH|Exercise Exercises (B)|36 Videos
CONDUCTION OF HEAT AND RADIATION
NN GHOSH|Exercise All Questions|24 Videos

Similar Questions

Explore conceptually related problems

A man is going due east with a velocity of 5ms^(-1) .It is vertically rainging downwards with a velocity of 4ms^(-1) .At what angle should he hold the umbrella to the vertical so as to protect him self from the rain?

A boy is running on a horizontal road with a velocity of 5 m/s. At what angle should he hold his umbrella in order to protect him self from the rain if the rain is falling vertically with a velocity of 10 m/s?

A man is going due east with a velocity of 3 kmh^(-1) . Rain falls vertically downwards at a speed of 10 km h^(-1) . Calculate the angle at which he should hold his umbrella so as to protect himself from rain.

A man moves on a cycle with a velocity of 4 km/hr. The rain appears to fall on him with a velocity of 3 km/hr vertically. The actual velocity of the rain is

A man is moving due east with a speed 1 km/hr and rain is falling vertically with a speed sqrt(3) km/hr. At what angle from vertical the man has to hold his umbrella to keep the rain away. Also find the speed of rain drops w.r.t. man.

A man is walking due west with a velocity 3 km//h and rain appears to be falling vertically with a velocity 4km//h . Find the velocity of rain with respect to the ground.

A person is standing on road by holding an umbrella at right angle to the horizontal surface in order to protect himself from rain falling at a speed of 10 m/s, when the velocity of wind is zero. Suddenly wind begins to flow at a speed of 20m/s, 30^(@) south of west. Now by what angle the person has to rotate his umbrella in order to protect himself from rain ?

An open merry-go-round rotates at an angular velocity omega . A person stands in it at a distance r from the rotational axis. It is raining, and the raindrops fall vertically at a velocity v_(0) . How should the person hold an umbrella to protect himself from the rain in teh best way ?

A man is going in a topless car with a velocity of 10.8kmph."l It is raining vertically downwards.He has to hold the umbrella at angle 53^(0) to the vertical to protect himself from rain.The actual velocity of the rain is (cos53^(0)=(3)/(5))

Rain is falling vertically and a man is moving with velocity 6 m s^-1 . Find the angle at which the man should hold his umbrella to aboved getting wet.

NN GHOSH-COMPOSITION AND RESOLUTION OF VELOCITIES-Exercise

A river is (1)/(2)km wide and flows at the rate of 3 kmph. A man, who ...
Text Solution
|
To a man walking at 5kmph rain appears to fall vertically, and when he...
Text Solution
|
A ship is travelling due east at 10 km/h. A ship heading 30^(@) east o...
Text Solution
|
A motorboat going downstream overcome a raft at a point A, tau=60min l...
Text Solution
|
A man walking on a road with a velocity of 5 km per hour encounters ra...
Text Solution
|
If the resultant of two forces of magnitudes p and 2p is perpendicular...
Text Solution
|
Two cars are moving in the same direction with the same speed 30 km//h...
Text Solution
|
A man wants to cross a river 500 m wide. His rowing speed in still wat...
Text Solution
|
Find the speed of two objects if ,when they move uniformly towards eac...
Text Solution
|
The resultant of two forces of magnitude 5 N and 3 N trisects the angl...
Text Solution
|
Two bodies were thrown simultaneously from the same point, one, straig...
Text Solution
|
Two particles, 1 and 2, move with constant velocities v1 and v2 along ...
Text Solution
|
An aeroplane has to go from a point O to another point A, at distance ...
Text Solution
|
Two boats A and B moved away from a boy anchored in the middle of a ri...
Text Solution
|
A boat moves relative to water with a velocity which is n=2.0 times le...
Text Solution
|
A car window pane of length 25 cm is hinged at the top and 5 cm of its...
Text Solution
|
On a two lane road , car (A) is travelling with a speed of 36 km h^(-...
Text Solution
|
A train of length l=350m starts moving rectilinearly with constant ac...
Text Solution
|
A short fired at a moving train (u=30 km/h) at an angle theta= arc si...
Text Solution
|
The velocity of water current in a river changes with distance along t...
Text Solution
|