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kotegsom [21]
3 years ago
9

During which two phases would surfer’s most likely benefit

Physics
2 answers:
Strike441 [17]3 years ago
6 0

Answer:

d

Explanation:

Rzqust [24]3 years ago
6 0
D. Because there is little tidal change
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Construct a vector diagram. It will be a right-angled triangle. One vector (the hypotenuse) represents the heading of the boat, one represents the current and one represents the resultant speed of the boat, which I'll call x. Their magnitudes are 20, 3 and x. Let the required angle = theta. We have: 

<span>theta = arcsin(3/20) = approx. 8.63° </span>

<span>The boat should head against the current in a direction approx. 8.63° to the line connecting the dock with the point opposite, or approx. 81.37° to the shore line. </span>

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<span>The boat's crossing time = </span>
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