Q A swimmer reaches the other bank Of a flowing river exactly opposite to the starting pent If - Physics - Current Electricity

Question

Q A swimmer reaches the other bank Of a flowing river exactly
opposite to the starting pent If he was swimming at 2 km/hr while
maintaining 150 ° with the flow, then time taken by him to
cross the river
1 km wide is
(1) 30 min
(2) 1 hr
(3) 2 hrs
(4) 20 min

Shobhit Mittal · Accepted Answer

the compoenent of the swimmer velocity perpendicular to the current=vcos150-90=2cos60=1 km/htime taken =1 km1km/h= 1hrRegards

Q. A swimmer reaches the other bank Of a flowing river exactly opposite to the starting pent. If he was swimming at 2 km/hr while maintaining 150 ° with the flow, then time taken by him to cross the river 1 km wide is (1) 30 min (2) 1 hr (3) 2 hrs (4) 20 min

Q. A swimmer reaches the other bank Of a flowing river exactly opposite to the starting pent. If he was swimming at 2 km/hr while maintaining 150 $°$ with the flow, then time taken by him to cross the river
1 km wide is
(1) 30 min
(2) 1 hr
(3) 2 hrs
(4) 20 min