Energy
Momentum
Waves
Nuclear
125
A stone is tossed up in the air. As it moves upward, which type of energy is decreasing?
Kinetic Energy
125
When it comes to momentum, p = _______
mv
125
DOUBLE POINTS
In a water wave, a rubber duck displaces 8m and -8m from its starting position. What is this displacement called?
Amplitude
125
Which type of nuclear reaction is best represented by the following image?
Fission
150
Gravitational Potential Energy depends on 3 factors: acceleration due to gravity, height, and _______.
Mass
150
DOUBLE POINTS
The change in momentum of a system is also known as the __________ on the system.
Impulse
150
2 Wi-Fi routers send radio waves throughout a building to transmit information, but some parts of the building between these routers get poor reception. What is the likely cause of this?
Destructive Interference
150
When two protons are placed close enough together, they begin to attract one another. Which force is responsible for this?
Strong Force
200
When a system loses energy to its surroundings, that energy is said to be ____________.
Dissipated
200
What is the impulse on a baseball that is hit with an average force of 50 Newtons for 0.5 seconds? Include units.
25 N*s
or
25 kg*m/s
200
Two waves interact in the same place, y(t) = 5sin(2𝜋t) and y(t) = 6sin(2𝜋t). What is the amplitude of their resultant wave?
11
200
How many half-lives have occurred if only 6.25% of a sample of radioactive nuclei remain?
4 half-lives
100*(1/2)^4
300
The equation below relates the thermal energy that flows through a heat engine and the work done by the engine. Which law of nature does the equal sign (=) refer to here?
Law of Conservation of Energy
(First Law of Thermodynamics)
300
What is the change in momentum of a 1000 kg car that accelerates from 5 m/s to 20 m/s? Include units.
15,000 kg*m/s
300
A mechanical wave travels at 20 m/s, and has a wavelength of 4 m. What is the frequency of this wave? Include units.
5 Hz
300
Which force is responsible for the conversion of a neutron into a proton and electron during Beta Decay?
Weak Force
325
A 0.5 kg marble travels with a speed of 5 m/s at the bottom of a ramp. If the marble has a mass of 0.5 kg, what is the maximum height that the marble can clear? Ignore friction, assume gravity is 10 m/s2, and include units.
1.25 m
325
A 3 kg dodgeball experiences a 15 N force for the duration of 0.2 s. What is the change in velocity of the dodgeball? Include units.
1 m/s
325
In the wave represented by the equation, y(x) = 6sin(𝜋x), what is the wavelength?
2
325
Write down the full nuclear equation for the Beta-minus decay of Hydrogen-3 into Helium-3.
