Physics, 13.12.2019 05:31 zitterkoph
One way to store energy is in the rotational motion of a flywheel, and some have proposed using such technology to power automobiles. one unit is based on a 6.5-\(\rm kg\) flywheel in the shape of a hoop of radius 0.11 \(\rm m\) that spins as fast as 7 \(\rm rpm\).
Answers: 2
Physics, 21.06.2019 21:00
50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.
Answers: 1
Physics, 22.06.2019 10:30
The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water
Answers: 2
One way to store energy is in the rotational motion of a flywheel, and some have proposed using such...
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