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Make sure you clearly mark your answer for all problems\' To receive full credit

ID: 1469481 • Letter: M

Question

Make sure you clearly mark your answer for all problems' To receive full credit on

the Multiple choice

-Problems

choose only the correct answer' To receive partial

credit on any Multiple choice Problems, you may circle 2 answers and if 1 of them

is correct you will ieceive half of the credit. Circling more th''n 2 an-swers will

result in no credit. To receive any partial credit on the open-Ended Problems, you

must show all of your work with explanations and it must be legible and clear'

Muttiple Choice Problems

1. Two liquids, I and2,are in equilibrium in a U-tube that is open at both ends' as in the

drawing. The liquids do not mix, and liquid 1 rests orl top of liquid 2' How is the

density pr of liquid I related to the density p of liquid 2? Il0 pointsl

(a) pris equal to 12 because the liquids are in equilibrium. t t"'l!.1

(b) pr is greater than P.

(c) pt is less than p2.

(d)Tlrere is not enough informa$ion to tell which liquid has

the greater densitY.

Explanation / Answer

C) density of 1 is less than density of 2

as liquid one is floating on liquid 2

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