Sunidhi made a study chart about changes in states of
Physics, 05.05.2020 16:36 AutumnGarringer
Which headings best complete the chart?
Sunidhi made a study chart about changes in states of
matter
X
Y
I
melting
sublimation
freezing
deposition
O X Solid Directly to Liquid
Y Liquid Directly to Solid
O X Liquid Directly to Solid
Y Solid Directly to Liquid
OX: Heat Is Released
Y Heat Is Absorbed
X Heat Is Absorbed
Y Heat Is Released
Answers: 3
Physics, 22.06.2019 10:00
What is the temperature in degrees celsius of a substance with a tempature of 49k
Answers: 2
Physics, 22.06.2019 14:30
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
Physics, 22.06.2019 17:40
Aspring is used to stop a 50-kg package which is moving down a 20ΒΊ incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
Answers: 1
Physics, 22.06.2019 21:40
Ahair dryer is basically a duct in which a few layers of electric resistors are placed. a small fan pulls the air in and forces it through the resistors where it is heated. air enters a 1200 w hair dryer at 100 kpa and 22Β°c and leaves at 47Β°c. the cross-sectional area of the hair dryer at the exit is 60 cm2. neglecting the power consumed by the fan and the heat losses through the walls of the hair dryer, determine (a) the volume flow rate of air at the inlet and (b) the velocity of the air at the exit.
Answers: 1
Which headings best complete the chart?
Sunidhi made a study chart about changes in states of
Sunidhi made a study chart about changes in states of
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