Thermal energy/ Temperature
_______ is energy that is transferred between objects due to a temperature difference between those objects.
Heat
A car drives around a circlular track. What increases more, displacement or distance?
Distance
The rate change of velocity
Acceleration
What is the distance an object travels divided by the time it took?
Speed
Time is always on the ________ axis?
X-axis
What is the study of the relationships among thermal energy, heat, and work?
Thermodynamics
A man is pushing a box with a force of 500N. How much force is the box exerting on him?
500 Newtons
What are the 3 ways that you accelerate?
Speeding up, slowing down, or changing direction.
The speed of an object including direction.
Velocity
What type of graph is best used to show change over time?
Line graph
The ______ _______ of a material is the amount of heat needed to raise the temperature of 1kg of that material by 1 degree Celsius.
Specific heat
A boy pushes a box across the floor, but the box does not move. What type of friction is at work?
Static friction
What does velocity include that speed doesn't?
Direction
The speed at a specific point of time is _________ ________?
Instantaneous speed
The dependent variable always goes in the _______ axis?
Y-axis.
A device that converts some thermal energy into mechanical energy.
Heat engine
A vector quantity defined as the rate at which an object's velocity changes over time.
Acceleration
What is the formula for acceleration?
Acceleration=(Final velocity - Initial velocity) / time
A golf ball was hit 65 meters north as it made it way into the hole in 5 seconds. What is the velocity of the golf ball?
13 m/s North
Which type of graph is best used for percentages?
A pie chart
What law states that if the mechanical energy of the system is constant, the increase in thermal energy of that system equals the sum of the thermal energy transfers into that system and the work done on that system?
The first law of thermodynamics.
A driver is driving on a delivery route. From the warehouse, the driver drives 5 miles East. Then, he goes 2 miles North and 4 miles South. He goes back to the warehouse to get more packages. How much distance is traveled and what is the displacement?
The distance is 16 meters
The displacement is 0 meters.
What is acceleration toward the center of a curved or circular path?
Centripetal acceleration
Suppose a car is going 40 m/s east and it has traveled a total of 7.2 kilometers east. What time has the car spent driving?
180 seconds or 3 minutes.
In a/n _______ _______ as one variable increases, the other variable decreases.