Each circled letter in the circuit diagram represents a meter that is used to measure a quantity in the circuit. Which meters show the amount of charge
passing a point each second?
HOM
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O A. A and C
O B. B and D
O C. A and B
D. C and D

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.