MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Relative Motion in 1D

Rain is falli...

Question

Rain is falling vertically with a speed of $35 m s^{- 1}$ . Winds start blowing after some time with a speed of $12 m s^{- 1}$ in an east to west direction. In which direction should a boy wait at a bus stop holding his umbrella?

Open in App

Solution

Speed of rain= $3 m / s$
Wind speed= $12 m / s$

$∣ ∣ \to A D ∣ ∣ = ∣ ∣ \to A B ∣ ∣ + ∣ ∣ \to A C ∣ ∣ A D = \sqrt{{(35)}^{2} + 12^{2}} = \sqrt{1225 + 44} = 37 tan θ = \frac{35}{12}, θ = 71$
Rain is falling at an angle of $71 °$ from horizontal.

Suggest Corrections

thumbs-up

7

Similar questions

Q. Rain is falling vertically with a speed of 35 m/s. Winds start blowing after sometime with a speed of 12m/s in east to west direction. In which direction should a boy waiting at a bus stop hold his umbrella ?

Q. Rain is falling vertically with a speed of

20 m / s

. After sometime wind starts blowing with a speed of

12 m / s

in east to west direction in which direction should a boy waiting at a bus stop hold his umbrella.

Q. Rain is falling vertically with a speed of

35

m s^{- 1}

. Winds starts blowing after sometime with a speed of

12

m s^{- 1}

in east to west direction. In which direction should a boy waiting at a bus stop hold his umbrella?

Q. Rain is falling vertically with a speed of 35

m s^{- 1}

. Winds starts blowing after sometime with a speed of 12

m s^{- 1}

in east to west direction. At what angle with the vertical should a boy waiting at a bus stop hold his umbrella to protect himself from rain?

Q. Rain is falling vertically with a speed of

35 m s^{- 1}

. A women rides bicycle with a speed of

12 m s^{- 1}

in east to west direction. In which direction should she hold her umbrella?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

PHYSICS

Watch in App

explore_more_icon

Explore more

Relative Motion in 1D

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon