Cold water will warm to room temperature faster in a: a) black pot
b) silver pot
c) depends more on the size of the pots than their color
d. same for black and silver pot

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?

What is the mass of the same rock on the earth

In the first law of thermodynamics, triangle e=q-w, what does q stand for