An air tank is filled with 0.150m ^ 3 of helium gas, pressurised at 15 200 kPa. We wish to use this air tank to fill balloons, each of which will occupy a volume of 0.113m ^ 3 . How many such balloons can be filled with the helium from the tank, if each balloon must be pressurised to 101 kPa?
Answers: 2
Physics, 22.06.2019 02:30
Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.
Answers: 2
Physics, 22.06.2019 12:30
Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
Answers: 1
Physics, 22.06.2019 13:10
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Physics, 22.06.2019 15:30
What is the increase in density of a medium due to wave travel?
Answers: 2
An air tank is filled with 0.150m ^ 3 of helium gas, pressurised at 15 200 kPa.
We wish to use thi...
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