Question: Steep grade. A mountain road makes an angle = 8.5 with the horizontal direction (Fig. P1.45). If the road has a total length of

Steep grade. A mountain road makes an angle θ = 8.5º with the horizontal direction (Fig. P1.45). If the road has a total length of 3.5 km, how much does it climb? That is, find h.

Figure P1.45

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