Motion
What is the difference between speed and velocity?
Speed has no direction
Newton's First Law of Motion is
An object in motion will stay in motion, unless acted on by another force
The energy of motion is called?
Kinetic Energy
To find the voltage in a circuit you?
Multiply current and resistance
Ellipses
Distance is how far you have traveled from your starting point but displacement is?
Newton's Third Law of Motion states that?
When a force is applied to an object there is an equal force applied by the object in the opposite direction
What happens to the potential energy of a ball that is dropped from the top of Heath Hall?
As the ball falls, the potential energy is converted into kinetic energy
V = IR is referred to as?
Ohm's Law
Nuclear fusion occurs when?
Several hydrogen atoms slam together and form helium plus energy
If a car travels North on I-5 at 71 miles per hour for 2 hours, what is the cars average velocity
71 miles per hour north
Pushing a heavy box down a hallway is an example of what type of friction?
Static
The energy stored in an object due to its position is called?
Potential Energy
Wire A has a resistance of 3.4 ohms. Wire B has a resistance of 4.4 ohms. Both wires have the same current. Which wire has greater voltage?
Wire B
The speed of light (C) is
3.00 X 10 *8
The rate at which velocity changes is called
Acceleration
When you suddenly stop in the cafeteria, an orange rolls of your lunch try. Why did the orange keep moving?
Inertia
The kinetic energy of a 75 kg linebacker running downfield at 7 m/s is?
1837.5 J
What is the current in an electrical field in which voltage is 12 volts and resistance is 1.5 ohms?
8 amps
Low mass tarts have a life cycle like our sun. Once they become adult starts they will follow what course?
Red giant, planetary nebula, white dwarf, brown dwarf
An object moving at 30 m/s takes 5 seconds to come to a stop. What is the object's acceleration?
-6 m/s 2
What is the momentum of a bowling ball with a mass of 7.0 kg and a speed of 6.0 m/s?
42 kg*m/s
Calculate the potential energy of a diver at the top of a 10 meter high diving platform that has a mass of 50.0 kg (acceleration due to gravity is 9.8 m/s*2)
4900 J
A microwave receives 336 volts of electricity. If it uses 35 amps of current, what is the resistance of the microwave?
9.6 ohms
Light with a wavelength of 690 nm is red. What is the frequency of this light?
4.25 X 10 * 14 Hertz