To save the most energy when you leave your cool house for an hour or so on a hot day, you should turn the temperature setting on the air conditioner
A) down.
B) up.
C) off.
D) to room temperature.
Answer: C
You might also like to view...
A sound source of 150 watts radiates sound uniformly in all directions. The intensity of the sound at a distance of 4.00 m is
A. 0.389 
B. 0.403
C. 0.582
D. 0.746
E. 0.927
Which of the following is NOT true about adding comment features to a website?
A. Do not require users to create an account before posting comments. B. Comments help a website creator gauge interest in a post or article. C. To add a comments feature, you can add a premade script to your website code. D. Spam often appears in comments.
Which of the following is not an abbreviation for a quark flavor?
A. u B. s C. b D. t E. r
A long solenoid (1000 turns/m) carries a current of 25 mA and has an inside radius of 2.0 cm. A long wire which is parallel to and 4.0 cm from the axis of the solenoid carries a current of 6.0 A. What is the magnitude of the magnetic field at a point on the axis of the solenoid?
a. 51 ?T b. 61 ?T c. 43 ?T d. 81 ?T e. 1.4 ?T