D | Question 13 5 pts A river flows due east at 3.0 m/s. A boat...

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science physics

Answer 1

Answer #1

Velocity of boat, vb = 10 m/s north-east

vb = 10 cos 45 i + 10 sin 45 j

vb = (7.071 i + 7.071 j) m/s

Time taken by boat to reach the far shore,

t = 300 / 7.071 = 42.42 s

Distance, d = (resultant velocity of boat in east) * time

d = (7.071 - 3) * 42.42

d = 173 m upstream

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Answer 2

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