What type of mirror is used whenever a magnified image of an object is needed?
a. flat mirror
c. convex mirror
b. concave mirror
d. two-way mirror

Who was the first scientist to measure speed as distance over time?

What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g

How does the entropy of steam compare to the entropy of ice?