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andrey2020 [161]
3 years ago
6

Question 6 options: When a cannon is fired, the projectile moves forward. According to Newton's 3rd law, the cannon will want to

travel
PLEASE HELP!!!!!!!
question will give you 20PTS!!!
Physics
1 answer:
anygoal [31]3 years ago
5 0

Backwards i just took the test

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As the temperature rises the solubility of all gases in water will _________
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Answer:

Decreases.

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The rise in temperature of gas increases the kinetic energy of its molecules and they rush out of water instead of dissolving similarly as air rushes out of boiling water in form of bubbles

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Consider one such cell where the magnitude of the potential difference is 65 mV, and the inner surface of the membrane is at a h
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Explanation: Since the potassium ion is at the outside membrane of a cell and the potential here is lower than the potential inside the cell, the transport will need work to happen.

The work to transport an ion from a lower potential side to a higher potential side is calculated by

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Potassium ion has +1 charge, which means:

p = 1.6.10^{-19} C

To determine work in joules, potential has to be in Volts, so:

\Delta V=65.10^{-3}V

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W=1.04.10^{-20}

To move a potassium ion from the exterior to the interior of the cell, it is required W=1.04.10^{-20}J of energy.

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