9The daily temperature variation of the Golden Gate bridge in San Francisco can be in excess of 20 C° .The bridge is approximately 2 km long and is made of steel (with an asphalt covering on the roadway).(a) What is the approximate change in length of the bridge with this temperature variation?(A) 4.4 cm(B) 44cm(C) 4.4 m(D) 44 m(b) if the bridge builders neglected to include expansion joints, then approximately howlarge of a “bump” would form in the middle of the bridge when it expanded?(A) 2.1 cm(B) 21 cm(C) 2.1 m(D) 21 m

Amit Saxena , 9 Years ago

Grade upto college level