The water in a river flows uniformly at a constant speed of 2.27 m/s between parallel banks 69.3 m apart. You are to deliver a p
ackage directly across the river, but you can swim only at 1.58 m/s. (a) If you choose to minimize the time you spend in the water, in what direction should you head? ° from the direction of the stream (b) How far downstream will you be carried? m (c) If you choose to minimize the distance downstream that the river carries you, in what direction should you head? ° from the direction of the stream (d) How far downstream will you be carried?
1 answer:
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Explanation:
'What is the magnitude of the force needed to stop the horses and bring the box into equilibrium?' ≈42N; according to the vectors rules.
'Where would you locate the rope to apply the force?' - in point D.
PS. zoom out the attached picture.
