Impulse is equal to area under the curve:

There are three shapes under the curve: Triangle, rectangle and triangle:

I = (1/2)F_{max}•Δt_{1} +F_{max}•Δt_{2} + (`1/2)F_{max}•Δt_{3}

In (Figure 1), what value of *F*_{max} gives an impulse of 3.0 N·s?

Express your answer to two significant figures and include the appropriate units.

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