Sheena can row a boat at 2.20 mi/h in still water. she needs to cross a river that is 1.20 mi wide with a current flowing at 1.60 mi/h. not having her calculator ready, she guesses that to go straight across, she should head upstream at an angle of 25.0° from the direction straight across the river.

Part a)

Part b)

Part c)

Part d)

Explanation:

Part a)

Velocity of the boat with respect to water stream is given as

so we have

magnitude of the speed is given as

Part b)

Time to cross the river is given as

Part c)

Distance moved by the boat in downstream is given as

Part d)

In order to go straight we must net speed along the stream must be zero

so we will have

i just did an experiment like this in my science class. also the answer is yes, it will get separated because they are two opposites meaning if they are opposite they can not attract.

hope this .!