Wave speed = (wavelength) x (frequency)
= (4 m) x (2 /sec)
= 8 m/sec
Answer: B
Explanation:
It's not the time it took to heat the substance, so that rules out A and C.
This means that we only have to choose between
B. the area of contact
D. the area of the substances
(since everything else in each of those answers are the same)
Area of contact matters more (e.g. an object with greater surface area is exposed to the air more, will lose/gain heat quicker than an object with less surface area).
Answer:
An Energy held by an object because of its position relative by other objects
Explanation:
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