PHY 183 Fall 2018 Course Home Mary needs to row her boat across a 200 m -wide ri

Question

PHY 183 Fall 2018 Course Home Mary needs to row her boat across a 200 m -wide river that is flowing to the east at a speed of 1,0 m/s Part A Mary can row with a speed of 3.6 m/s If Mary points her boat due north, how far from her intended landing spot will she be when she reaches the Express your answer using two significant figures. opposite shore? meters east (downstream) from where she intended Submit Part B What is her speed with respect to the shore? Express your answer to two significant figures and include the appropriate units. 3.7 Previous Anewers Correct Next > Provide Feedback

Explanation / Answer

A)

Time to cross 200 m while rowing 3.6 m/s,

Velocity, v = distance /time

=> time, t = distance /velocity = 200/ 3.6 = 55.56

So, distance cover, s = v x t = 55.56 x 1 = 55.56 m

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