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11 Cards in this Set
- Front
- Back
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Define the resolution of an image.
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The smallest size of a thing which can be distinguished.
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What is the rest energy of mass, m?
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E= MC^2
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What is the formula for the gravitational force between two masses?
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F= -Gm(1)m(2)/r^2
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Define the time constant (radioactive decay)
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The time taken for the radioactive substance to decrease by a factor of 1/e.
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What is the equation to calculate the force between two point charges separated by a distance r?
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F=q(1)q(2)/4(pi)er^2.
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What are Kepler's three laws governing planetary orbits?
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1. Planet moves in an elipse with the sun at one focus.
2. The line from the sun to a planet sweeps out equal ares in equal times. 3. The sqauare of orbital time is proportional to the cube of orbital radius. |
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Fill in the blancs
The square of ... ... is proportional to the cube of orbital radius |
orbital time
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Fill in the blanks
The squalre of orbital time si proportional to the ... of ... ... |
cube
orbital radius |
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Define Brownian motion.
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Brownian motion is the random motion/walk of a particle caused by many collisions with other particles.
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What do you call this phenomenon?
The walk of a particle caused by many collisions with other particles |
Brownian motion
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The displacement of a particle which has travelled n steps is ....
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(sq root) n.
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