Physics
posted by Kaan on .
A boat’s speed in still water is 1.95m/s . The boat is to travel directly across a river whose current has speed 1.20m/s .
Determine the speed of the boat with respect to the shore.
Despite, I did it like taking the sqrt (1.95^2+1.20^2)
is there something wrong I did?
Thank you for your care.

respect to the shore?
The boat has to head upstream, and that velocity is countered by the stream:
v=sqrt(1.95^21.2^2)
So the slant angle reduces the speed across. 
Oh yes, u r right, didn' t care it, ty so much