Rain drops fall vertically at a speed of 20ms −1 . At what angle do they fall on the wind screen of a car moving with a velocity of 15ms −1 , if the wind screen velocity inclined at an angle of 23° to the vertical?

April 11, 2022

by Ezee_Notes

with no comment

Physics Problems

Question : Rain drops fall vertically at a speed of 20ms −1. At what angle do they fall on the wind screen of a car moving with a velocity of 15ms−1, if the wind screen velocity inclined at an angle of 23° to the vertical?

(A) 60°

(B) 30°

(D) 90°

Answer : option (A)

Solution :

Rain drops fall vertically at a speed of 20ms −1. At what angle do they fall on the wind screen of a car moving with a velocity of 15ms−1, if the wind screen velocity inclined at an angle of 23° to the vertical?