“Steel plates are commonly attached to each other with rivets, which are slipped into holes in the plates and rounded over with hammers. The hotness of the rivets makes them easier to round over, but their hotness has another important advantage in providing a tight fit. What is it? Explain why.” This relates to one of the characteristics of heat, in that heated objects expand, then contract when the temperature decreases, since the molecules move faster in heat and slow in the cold. The hot…
Rosa and Derrick met in high school in their senior English class. They sat next to each other in class and eventually started having conversations. They both were assigned to a government and economics project to pretend they are married and create a family plan, budgeting etc. They starting chatting however Derrick was dating someone else at that time. They only started dating once they both were in college. Derrick indicates that “we developed a friendship while she was in college for that…