During a storm, the power went out at bailey’s house. she had no electricity. what could she use as an alternate form of electrical energy?
a) candles
b) a fire in the fireplace
c) a battery-operated lamp
eliminate
d) a light in the refrigerator

Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs