Questions
The minimum time required for a boat to cross a river is 30 min and the time required for the boat to cross the same river in the shortest possible path is 50 min. In both cases velocity of boat relative to still water is ‘V’ and velocity of water is ‘u’. Then is ______
detailed solution
Correct option is C
dv=tmin=30 .......(1)Along the shortest possible path, dv2−u2=50 .......(2)∴ v2−u2V=3050 ⇒ uv=45.Talk to our academic expert!
Similar Questions
One end of an ideal spring is connected with a smooth block with the other end with rear wall of driving cabin of a truck as shown in figure. Initially, the system is at rest. If truck starts to accelerate with a constant acceleration ‘a’ , then the block (relative to truck ):
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
