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  3. 1) a rock with a mass of 550 g in air is found to

1) A rock with a mass of 550 g in air is found to have...

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Physics

1) A rock with a mass of 550 g in air is found to have anapparent mass of 327 g when submerged in water.

a) What mass, in grams, of water is displaced?

b) What is the volume, in cubic centimeters, of the rock?

c) What is the average density of the rock, in grams per cubiccentimeter?

2) Suppose 1.95 L of gas at 37°C is under 7.37 × 107 Pa ofpressure. How many moles of gas are there in the system?

3)Suppose a woman does 350 J of work and 9400 J of heat istransferred from her into the environment in the process.

a) What is the change in her internal energy, in joules,assuming she does not consume any food?

b) What is her percent efficiency?

Answer & Explanation Solved by verified expert
4.3 Ratings (560 Votes)
a It will displaces 327g of water b 327g of rock will submerged completly when its density is 1 4 of water density of water is 1g cm3 so    See Answer
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