Physics, 25.08.2019 18:50 thegamingkid914
Which of the following is an example of radiation?
a. a metal spoon becomes warm after being set in a pot of boiling water.
b. warm water rises because it is less dense than cool water.
c. pancake batter cooks quickly after being spooned onto a hot griddle.
d. our atmosphere is constantly being heated by the sun.
Answers: 1
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A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
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However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as
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A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.
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Which of the following is an example of radiation?
a. a metal spoon becomes warm after being...
a. a metal spoon becomes warm after being...
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