Physics, 11.09.2019 01:30 destineyburger2
Suppose that a steel bridge, 1000 m long, were built without any expansion joints. suppose that only one end of the bridge was held fixed. what would the difference in the length of the bridge be between winter and summer, taking a typical winter temperature as 0°c, and a typical summer temperature as 40°c? the coefficient of thermal expansion of steel is 10.5 × 10 -6 k -1. 0.37 cm 0.11 mm 0.42 m 0.42 mm 0.11 m
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Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.
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In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents
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Suppose that a steel bridge, 1000 m long, were built without any expansion joints. suppose that only...
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