Questions
A motorboat is racing towards north at 25 kmph and the water current n that region is 10 kmph in the direction of
detailed solution
Correct option is A
vb= velocity of boat,vc= velocity of currentHere θ=(180−600)=1200⇒ R=vb2+vc2+2vbvc.cosθ=252+102+2(25)(10)cos1200=22 kmphTalk to our academic expert!
Similar Questions
A body which has a speed of 5km/hr in still water crosses a river of width 1km along the shortest possible path in 15minutes. The velocity of the river water in km/hr is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
