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a car with vertical wind shield moves along in a rain strom at speed of 40km/h . the rain drops fall vertically with terminal speed of 20km/h . the angle at which the rain drops sike the wind sheildis

a car with vertical wind shield moves along in a rain strom at speed of 40km/h . the rain drops fall vertically with terminal speed of 20km/h . the angle at  which the rain drops sike the wind sheildis 
 

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Dear Aum
 
the horizontal component of falling rain is 40km/hr
now convert km/hr into m/s

40*5/18=11.11m/s

vertical component of falling the rain is 20 m/s

Q=tan^-1(horizontal/vertical)

Q=tan^-1(11.11/20)
 
Regards
Arun (AskIITIANS forum Expert)

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