Which are characteristics of concave mirrors? Check all that apply.
A. surface curves inward
B. image can be upside down
C. image is always virtual
D. surface curves outward
E. image can be real

If an object with an initial temperature of 300 k increases its temperature by 1°c every minute, by how many degrees fahrenheit will its temperature have increased in 10 minutes? (a) 6°f (b) 10°f (c) 18°f (d) 30°f

What are the three ways that an object can accelerate

Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?