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Grade: 11

                        

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

2 years ago

Answers : (1)

Arun
24742 Points
							
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)
2 years ago
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