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Physics, 21.06.2019 16:00
When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer
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1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
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Physics, 22.06.2019 15:00
A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
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Physics, 22.06.2019 18:00
What structural formula represents 4 electrons shared between two atoms?
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Describe one solution that would help engineers design a parachute landing system that could safely...
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