A water skier is towed 65 m to the south of the starting point, and then is turned 40° cast of south for another 35m. What is th
e skier’s displacement from the starting point?
1 answer:
Using cosine law,
d^2 = 65^2 + 35^2 - 2(65)(35)cos140
= 8935.5022
d = sqrt(8935.5022)
= 94.5 m
Angle = inverseCos(35sin40 / 94.5) = 76.23 degrees South of East
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