jasminH15 jasminH15

21-05-2018
Physics

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A water skier has a mass of 79.0 kg and accelerates at 1.40 m/s2. What is the net force acting on him? F = ___ N

Answer choices
56.4
111
77.6
0.018
80.4
774.2

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Hilltop1108 Hilltop1108

21-05-2018

The answer is 111.

Using Newton's Second Law, F=ma, plugging known values in we get:

F = (79kg)(1.4m/s^2) = 110.6N ≈ 111N

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