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11 Cards in this Set

  • Front
  • Back
Define the resolution of an image.
The smallest size of a thing which can be distinguished.
What is the rest energy of mass, m?
E= MC^2
What is the formula for the gravitational force between two masses?
F= -Gm(1)m(2)/r^2
Define the time constant (radioactive decay)
The time taken for the radioactive substance to decrease by a factor of 1/e.
What is the equation to calculate the force between two point charges separated by a distance r?
What are Kepler's three laws governing planetary orbits?
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.
Fill in the blancs

The square of ... ... is proportional to the cube of orbital radius
orbital time
Fill in the blanks

The squalre of orbital time si proportional to the ... of ... ...
orbital radius
Define Brownian motion.
Brownian motion is the random motion/walk of a particle caused by many collisions with other particles.
What do you call this phenomenon?
The walk of a particle caused by many collisions with other particles
Brownian motion
The displacement of a particle which has travelled n steps is ....
(sq root) n.