Units
Practice Problems
Waves
Matter
Random
100
What units are used for distance?
Meters
100
On his skateboard, Scott can move at a speed of 13 m/s. How far would he be able to go in 10 minutes?
7,800 meters
100
A wave is defined as:
An oscillation that travels
100
Is electricity matter?
No
100
What is Newton's 3rd law?
For every action force there is an equal and opposite reaction force
200
What units are used for measurements of force?
Newtons
200
A tow-truck pulls a car with a force of 3,000 Newtons for a distance of 254 meters. How much work is done?
762,000 joules or work
200
What is the length of one complete wave?
Its wavelength
200
Can bacteria be defined as matter?
Yes
200
What is the acceleration of gravity?
9.8 m/s^2
300
What units are used for velocity?
m/s^2
300
A 8 kg bag falls off the table and hits the ground. With what force did it hit the ground?
78.4 Newtons
300
A wave has a frequency of 10 Hz and a wavelength of 3 meters. What is its speed?
30 m/s
300
What are the two characteristics or matter?
It has both volume and mass
300
What is EPE?
Elastic Potential Energy
400
What units are used for work?
Joules
400
It takes 120 Newtons of force for Jim to pick up a bowling ball at 20 m/s. What is the weight of the ball?
6 kg
400
What is a short length of a wave that travels?
A vibration
400
Is wind matter?
Yes because air has both mass and volume
400
What are the units of Frequency?
Hertz
500
What units are used for Power?
Watts
500
A horse pulls a cart with 1,150 joules of work for 20 seconds. How much power was used?
75.5 watts
500
What is the frequency of a wave that has a wavelength of 2 meters and moves at a speed of 10 m/s?
5 Hz
500
Is democracy matter?
No because it doesn't have volume or mass
500
What are the seven electromagnetic waves in order from largest wavelength to smallest wavelength?
1. Radio Waves 2. Microwaves 3. Infared Waves 4. Visible Light 5. Ultra Violet Waves 6. X-Rays 7. Gamma Rays