Suppose that a steel bridge, 1000 m long, was built without any expansion joints and 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. 00°c, and a typical summer temperature as 40°c? the coefficient of thermal expansion of steel is 10. 5 × 10-6 1/ c0.

Aresearch institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1085 and x=528 who said “yes”. use 90% confidence level

Iqualified for the horatio alger scholarship. it is awarded based on financial need, but students must have a 2.0 gpa to apply. to qualify, students must pursue a degree at a four-year college.

Victor is concerned about his constant impulsive tendencies. he thinks something must be wrong with him. what is a healthy action victor could take? take some of his friend's add medication to see if it . follow what his friend tells him he needs to do to solve his feelings. listen to a mental health professional who can guide him through his troubles. diagnose himself and take some natural supplements.