Physics, 08.12.2020 22:10 SKYBLUE1015
There are two questions. Put your answers as two letters such as A and A or C and A if you don't know the answer to both just let me know which one you do know the answer to. Thank you.
Which best describes convection?
A It relies on the collision of particles within or between substances.
B It occurs in solids, liquids, or gases that are heated.
C It results when portions of a liquid cool and rise.
D It is driven by temperature differences within a fluid.
And...
A thermogram of a house shows high amounts of thermal energy around the windows but not around the roof. Which conclusion is best supported by the thermogram?
The windows take in a lot of solar radiation.
The roof takes in a lot of solar radiation.
The windows are not energy efficient, but the roof is.
The roof is not energy efficient, but the windows are.
Answers: 3
Physics, 21.06.2019 21:50
Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?
Answers: 1
Physics, 22.06.2019 08:30
What properties of a moving object are used in determining the object's energy of motion
Answers: 2
Physics, 22.06.2019 10:50
Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k
Answers: 1
There are two questions. Put your answers as two letters such as A and A or C and A if you don't kno...
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