CathyNguyen5948 CathyNguyen5948

29-02-2024
Physics

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A bridge is in the shape of a semi-circle, 400 m long, and has a maximum height of 100 m at the middle point. The height of the bridge at a point distant 80 m from one end is:
a) 60 m
b) 80 m
c) 100 m
d) 120 m

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