The answer would be B because humans cannot see electrons so we visualize the electrons due to the theory
When an astronaut travels from the earth to the moon, her weight changes, but her mass remains constant. <em>(C ).</em>
Answer:
Looks like you have:
a = -.324 cos 2.5 t
In this case ω^2 A = .324
ω = 2.5
f = ω / (2 * pi) = 2.5 / 6.28 = .40 / sec
