according to the second law of dynamics F = m • a => a = F / m
We see black colour in absence of light. Black colour absoorbs all the light, ( just opposite of white) and hence we do not see any colour. Black colour is also related to darkness.
Answer:
tan 249 = 2.61
tan 249 = tan (249 - 180) = tan 69 = 2.61
<span>Macronutrients include carbohydrates, proteins, lipids, and fats.</span>