Answer:
building A because the insulation will keep the air in the building while more so building b will let the air flow out because there is no insulation
Explanation:
Answer:
A and C is about 12 cm away from each other.
Explanation:
When heat is added to a substance, the molecules increase kinetic energy. in other words, the particules speed up.
"1 watt" means 1 joule of energy per second.
75 W means 75 joules/sec .
Energy = (75 Joule/sec) x (12 min) x (60 sec/min)
Energy = (75 x 12 x 60) (Joule-<em>min-sec</em> / <em>sec-min</em>)
<em>Energy = 54,000 Joules</em>
Answer: when it is stretched as far as possible
Explanation: