Mr. Johnson's science class is studying the universe and scale models. The only rule was that all models of the solar system had to have a
sun that was 1 meter in diameter (100 cm). In this scenario, what
would be the diameter Earth?
A) .92 cm B) 1.09 cm C) 9.2 cm D) 109 cm

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

Which of the following represents an upside-down image? o a. +doo b. -doo c. +mo d.-m

How are calculation for velocity and speed different