Physics, 04.07.2020 17:01 angel34emb
When you place an egg in water, it sinks. If you add salt to the water, after some time the egg floats. Choose the correct explanation
A. Adding salt to the water increases its density When the density of the water matches that of the egg, the egg becomes neutrally buoyant and floats
B. Adding salt to the water decreases Its density When the densily of the water matches that of the egg, the egg becomes neutrally buoyant and floats
C. Adding salt to the water decreases its volume When the volume of the water matches that of the egg, the egg becomes neutrally buoyant and floats
D. Adding salt to the water increases ts volume When the volume of the water matches that of the egg, the egg becomes neutraly buoyant and floats
Answers: 3
Physics, 22.06.2019 10:50
Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k
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Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f
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Physics, 22.06.2019 21:00
What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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When you place an egg in water, it sinks. If you add salt to the water, after some time the egg floa...
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