For a given object on a given surface, this is the greater coefficient of friction, out of static or kinetic.
What is the coefficient of static friction?
100
Of these choices, it is the phenomenon that is best explained by the particle nature of light: Doppler effect, polarization, photoelectric effect, interference.
What is the photoelectric effect?
100
This is one of the three main types of heat transfer.
What is conduction, or convection, or radiation?
100
For regular reflection, the angle of incidence is (greater than, equal to, or less than) the angle of reflection.
What is equal to?
200
This is the direction that centripetal acceleration goes in, relative to its circular path of motion.
What is inwards, toward the center of the circle?
200
This is described by the equation ___ = F*d*cos(theta).
What is work?
200
Magnetic fields are caused by moving ______.
What are moving charges (electrons ok)?
300
This describes a quantity that has both direction and magnitude.
What is a vector quantity?
300
According to the equation E=hc/λ, where h = 6.626 × 10^-34 joule·s and c = 2.998 × 10^8 m/s, this is the energy of a photon of light that has a wavelength of 600 nm (600 x 10^-9 m).
What is 3.31 x 10^-19 J?
300
This is described by the equation ______ = 1/2 m*v^2.
What is kinetic energy?
300
This is the amount of time it would take for a ball to reach the batter if the pitcher throws a fastball at 21 m/s and the batter is 18 m from the pitcher.
What is 0.86 second?
400
This is what a force acting on an object (not in equilibrium) causes it to do.
What is accelerate?
400
Compared to the wavelengths of visible light the wavelengths of UV light are
A. Shorter
B. Longer
C. The Same
What is A. Shorter?
400
This is the name of the law relating potential difference (V) to current (I) and resistance (R), or V = IR.
What is Ohm's Law?
400
A car moving at a speed of 8.0 m/s enters a highway and accelerates at a rate of 3.0 m/s^2. How fast will the car be moving after it has accelerated for 56 m?
What is 20. m/s? (use vf^2 = vi^2 + 2ad)
500
This is the speed of light in a vacuum, in meters per second.
What is 300,000,000 meters per second?
(300,000 km/s)
500
This is the term for "cycles per time", as in the formula v = c/lambda.
What is frequency?
500
In the electromagnetic spectrum, these types of waves have the longest wavelength.
What are radio waves?
500
This law, ni*sineΘi = nr*sineΘr, is called ________.
where Θi ("theta i") = angle of incidence
Θr ("theta r") = angle of refraction
ni = index of refraction of the incident medium
nr = index of refraction of the refractive medium
What is Snell's Law?
500
The Doppler effect explains why an observer in front of an approaching, moving sound source, perceives a ______(higher/lower) frequency of sound than a person standing behind the moving sound source.