Answer:
42 m/s
Explanation:
by definition of the velocity(speed) of a wave,
The velocity of light, v, is the product of its wavelength, λ , and its frequency, f.
V= fλ
frequency - number of occurances in a unit time
(check the graph)

Answer:
Explanation:
Gbuu g by. Out vvuitguvvigvvvug. It uby
The appropriate description is ...
<span>b. the same amount of charge per second delivered to the resistor must return to the battery terminal</span>
Answer:
Temperature is a physical property of matter that quantitatively expresses hot and cold
Explanation:
Velocity is a vector, which includes both magnitude and direction. Negative velocity means that B is travelling in an opposite direction of A.