A steel bridge is 1000 m long at -20C in winter. What is the change in length when the temperature rises to 40C in summer? The average coefficient of linear expansion of this steel is 11 10-6 K-1.
A) 0.33 m
B) 0.44 m
C) 0.55 m
D) 0.66 m
Question 2
A 10-gram wire that is 6.0 m long is under tension. When a transverse wave of frequency 280 Hz travels along the wire, its wavelength is 0.60 m,and its amplitude is 8.4 mm.
How much time does it take for a crest of the transverse wave to travel the length of the wire? A) 36 ms
B) 31 ms
C) 40 ms
D) 44 ms
E) 49 ms
Anopheles larva from southern Germany, about 8 mm long
Water bridge
Having a time zone map located near the telephone will assist you when making long distance calls ou
Cut view of long bone.
Three Pieces of the Long-Term Weight-Loss Puzzle Diet
A particle confined in a rigid one-dimensional box (an infinite well) of length 17.0 fm has an ...