Question

The span of a bridge is 2.4 km. At 30°C, a cable along the span sags by
0.5 km. Taking a = 12 x10°/°C, the change in length of the cable for a
change in temperature from 10°C to 42°C is
O
Q
9.9 m
0.0099 m
0.99 m
0.4 km​

Answer 1

Answer:

0.99m

Explanation:

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