Mechanics
How does weight compare on Earth as it does on the Moon?
Weight is less on the moon than on Earth
The units for power are...
joules per second or watts
What is the unit for potential difference
Volts
This is the distance between two consecutive crests of a wave.
Wavelengths
This particle has no charge and is found in the nucleus along with protons.
Neutron
Inertia is also known as...
Mass
Mechanical energy is the sum of what two types of energy?
Potential and Kinetic Energy
What is the power of a cell with 20 Volts and a current of 2 Amps
40 Watts
This property of a wave determines how high or low a sound is perceived.
frequency
According to Einstein’s famous equation, this physical quantity is equal to mass times the speed of light squared.
Energy
The slope of a distance vs. time graph
Velocity
How many joules are in 1 electron volt?
1.6 x 10^-19 joules
Electric field strength is what type of quantity?
Vector
This type of wave causes particles of the medium to vibrate parallel to the direction the wave travels.
Longitudinal wave
This subatomic particle is emitted during beta decay and has a negative charge.
beta particle (or electron)
Speed, distance, and time are what type of quantities?
Scalar
How much work is put through a box with a force of 100 newtons and a distance of 4.5 meters
450 joules
How much work is done in a system involving 3 amps, 4.5 ohms all done in 3 seconds?
121.5 Joules
This is the maximum displacement of points on a wave, related to its energy.
amplitude
Find the energy of a mass of 135kg
4.05 x 10^10
An object starts with a velocity of 2.5m/s and ends with a velocity of 12m/s and an acceleration of 2m/s/s. How much time elapsed over this change?
4.75 Seconds
What is the potential energy of a mass of 140kg at a height of 5 meters
6867 joules
Find the total resistance in a parallel circuit with a resistor of 4 ohms, 3 ohms, and 2 ohms?
12/13 ohms
This phenomenon occurs when two waves meet and combine to form a new wave pattern.
Interference
Who discovered the positive nucleus using his famous gold-foil experiment
Rutherford