Height difference

What height difference is overcome if we pass a road 1 km long with a pitch of 21 per mille?

Correct answer:

x =  21 m

Step-by-step explanation:

p=21=100021=0.021 s=1 km m=1 1000  m=1000 m  tan α = p  α=arctanp=arctan0.0210.021 rad  x=s sinα=1000 sin0.021=21 m



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