You insulate your medium-sized attic with insulation R = 10. Estimate how much money you save in a summer month compared with a bare metal roof.
a. 3 cents
b. 30 cents
c. 3 dollars
d. 30 dollars
e. 300 dollars

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.