Physics, 28.01.2022 19:40 jhaveen8335
True or false 1- When we heat a substance we add mass to it. ( ) 2- When we heat a substance we increase its volume. ( )
Answers: 3
Physics, 22.06.2019 16:30
When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)
Answers: 1
Physics, 22.06.2019 18:30
Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton
Answers: 2
Physics, 23.06.2019 02:10
The average atmospheric pressure on earth is approximated as a function of altitude by the relation patm = 101.325 (1 โ 0.02256z)5.256, where patm is the atmospheric pressure in kpa, and z is the altitude in km with z = 0 at sea level. determine the approximate atmospheric pressures at atlanta (z = 306 m), denver (z = 1610 m), mexico city (z = 2309 m), and the top of mount everest (z = 8848 m).
Answers: 3
Physics, 23.06.2019 02:40
If a rock is thrown upward on the planet mars with a velocity of 10 mys, its height in meters t seconds later is given by y โ 10t 2 1.86t 2 . (a) find the average velocity over the given time intervals: (i) [1, 2] (ii) [1, 1.5] (iii) [1, 1.1] (iv) [1, 1.01] (v) [1, 1.001] (b) estimate the instantaneous velocity when t โ 1.
Answers: 2
True or false 1- When we heat a substance we add mass to it. ( )
2- When we heat a substance we in...
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