Physics, 17.01.2020 19:31 celinarubio77
If a substance absorbs energy but its temperature does not change, then the internal energy is changing.
Answers: 1
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Which type of microscope would allow the viewer to see ribosomes inside a cell?
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Physics, 21.06.2019 22:30
Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?
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Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx
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Physics, 22.06.2019 09:00
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
If a substance absorbs energy but its temperature does not change, then the internal energy is chang...
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