Jack and Jill are maneuvering a 3100 kg boat near a dock. Initially the boat's position is < 2, 0, 3 > m and its speed is 1.5 m/s. As the boat moves to position < 6, 0, 1 > m, Jack exerts a force of <-410, 0, 205 > N, and Jill exerts a force of < 160, 0, 320 > N. How much work does Jack do?

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Jack and Jill are maneuvering a 3100 kg boat near a dock. Initially the boat's position is < 2, 0, 3 > m and its speed is 1.5 m/s. As the boat moves to position < 6, 0, 1 > m, Jack exerts a force of <-410, 0, 205
> N, and Jill exerts a force of < 160, 0, 320 > N.
How much work does Jack do?
WJack = -3000
X J
How much work does Jill do?
WJill = 0
J
Which person exerted a force perpendicular to the displacement of the boat?
O Jack
O both Jack and Jill
O Jill
O neither Jack nor Jill
What is the final speed of the boat?
Vf =
m/s
Transcribed Image Text:Jack and Jill are maneuvering a 3100 kg boat near a dock. Initially the boat's position is < 2, 0, 3 > m and its speed is 1.5 m/s. As the boat moves to position < 6, 0, 1 > m, Jack exerts a force of <-410, 0, 205 > N, and Jill exerts a force of < 160, 0, 320 > N. How much work does Jack do? WJack = -3000 X J How much work does Jill do? WJill = 0 J Which person exerted a force perpendicular to the displacement of the boat? O Jack O both Jack and Jill O Jill O neither Jack nor Jill What is the final speed of the boat? Vf = m/s
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