Which method of separation can be used for a heterogeneous mixture?
a. by distillation
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Physics, 20.08.2019 05:30 alexussaniyah
Which method of separation can be used for a heterogeneous mixture?
a. by distillation
b. by densities
c. by chromatography
d. by acidification
Answers: 1
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Given the position vector of the particle r(t)=(t+1)i+(t^2β1)j+2t k, find the particle's velocity and acceleration vectors at t=1
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When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.
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The temperature at a point (x, y) is t(x, y), measured in degrees celsius. a bug crawls so that its position after t seconds is given by x = 6 + t , y = 8 + 1 3 t, where x and y are measured in centimeters. the temperature function satisfies tx(3, 9) = 5 and ty(3, 9) = 4. how fast is the temperature rising on the bug's path after 3 seconds? (round your answer to two decimal places.)
Answers: 3
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