Physics, 08.12.2020 20:00, SketchWasTaken
A table tennis ball was dented. A student explained that she knew she could fix the dent in the ball. She placed the table tennis ball in boiling water. A few minutes later, because of the
higher temperature, the ball popped into its round shape again. She knew that when the dent was fixed, the gas took up more volume. What else changed in the gas during this increase in
volume?
The pressure of the gas in the table tennis ball decreased.
The density of the gas in the table tennis ball decreased.
The number of molecules of the gas in the table tennis ball increased.
The density of the gas in the table tennis ball increased.
Answers: 3
Physics, 22.06.2019 11:30, georgesarkes12
1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your
Answers: 2
Physics, 22.06.2019 13:30, Travisbennington
Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline
Answers: 1
A table tennis ball was dented. A student explained that she knew she could fix the dent in the ball...
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