Kinematics
The missing variable (the question mark) from the following equation:
d= vi t + 1/2 ? t2
What is "a" or acceleration?
Is distance scalar or vector?
Scalar
What are the units for energy?
Joules
True or False:
Momentum is conserved in a closed system.
True
Protons and Neutrons are this type of matter
What are Baryons
The time it takes for an object at rest to accelerate at 3 m/s2 to 6 m/s.
What is 2 m/s?
Which of the following is a vector quantity?
1. Speed
2. Time
3. Displacement
Displacement
What is the equation for energy?
W=Fd
What is momentum equal to?
p=mv
This does not change when a light wave enters a different medium
What is frequency
What is the distance traveled by an object that is initially at rest and accelerates at 4 m/s2 for 3 seconds?
18 meters
True or False:
Speed is a vector quantity and velocity is a scalar quantity.
False
As height increases, gravitational potential energy does this.
What is increase
If a 20 kilogram mass is moving at 3 m/s, what is the momentum?
60 kg m/s
Which has a higher frequency and shorter wavelength than the other: red light or blue light
What is blue light
An object is traveling at 4 m/s at decelerates to 2 m/s over a distance of 3 meters. What is the object's acceleration?
-2 m/s
Which one is scalar and which one is vector?
1. Displacement
2. Time
Scalar: Time
Vector: Displacement
The sum of potential and kinetic energy?
What is mechanical energy
The two possible units for impulse are
Newtons x seconds and Kg x m/s
A change in charge is caused by this
What is the movement of electrons
If an object falls freely from rest and has a final velocity of 10 m/s, how high is the cliff?
5 meters
True or False:
The calculation that requires the units of Kg(m/s) is a scalar quantity.
False
(Without reference table) If the amount of work done is 100J and the distance is 50m, the force is...
What is 2 Newtons
The impulse when the force is 12 Netwons and the time is 5 seconds (without reference table)
What is 60 Newtons x seconds
Inside a magnet, this is the way the magnetic fields point
What is south to north