How can a mixture of nails and sawdust be most efficiently separated into its component parts?

1 answer:

7 0

sawdust float in water so you could dump the mixture in water so that all of the sawdust float on the surface while the nails sink to the bottom.

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A grandfather clock works by swinging a pendulum back and forth with a

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The image to the left shows Earth’s major plates. A geologist is studying a plate boundary indicated by the arrow. Fill in the b

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The Eurasian Plate

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Which graph shows the relationship between temperature, X, and kinetic energy, Y?

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Answer: see the graph attached (straight line, passing through the origin and positive slope).

Justification:

1) Kinetic energy and temperature are in direct proportion. That means:

i) Being kinetic energy y and temperature x: y α x

ii) That implies: y = kx,where k is the constant of proportionality.

iii) The graph is a line that passes through the origin and has positive slope k (k = y / x).

2) The proportional relationship between kinetic energy (KE) and temperature (T) is shown by the Boltzman law, which states:

Average KE = [3 / 2] KT, where K is Boltzman's constant, whose graph is of the form shown in the figure attached.