True or False
Definitions
Graphical Problems
Solving Problems
Random Physics
100
The position of an object in motion can be negative for a chosen coordinate system.
True!
100
Particle Model
A model where moving objects are defined as a singular particle.
100
Draw a particle model of a depressed mongoose moving to the right at constant velocity.
. . . . . .
100
Joey traveled at an average velocity of 10 m/s over 5 sec. How far did he traveled?
50 meters
100
What is the metric unit for 10^-6?
micro
200
Scalar measurements have both magnitude and direction.
False, vectors have both magnitude and direction.
200
Speed
The magnitude of an object's velocity.
200
Draw a particle model of a clown on a unicycle that is speeding up.
. . . . . .
200
Steven and Ben are both running towards each other at 10 m/s. If they were 80 meters apart, when and where will they meet?
They will meet at the 40 m mark after 4 seconds.
200
What is the conversion factor for hours into seconds?
1 hour / 3600 seconds or vice versa.
300
The origin is always your starting point.
False, see board.
300
Origin
The point in a coordinate system in which all measurements are zero.
300
Draw a position time graph of an object that is 10 meters away from the origin and moving at a velocity of 2 m/s.
See Board
300
Mark traveled to Chicago which is 200 miles away from him in 4 hours and then traveled back taking the same time. What is his average speed and velocity?
Average Velocity = zero Average Speed = 50 miles per hour
300
True or False, an object at rest is traveling at a constant velocity. Why or why not?
True, velocity = 0 is a constant.
400
You can have a positive speed and a negative position. Draw an example if true. Double Jeopardy
True. See board.
400
Resultant vector
The sum of two or more vectors.
400
Draw a position time graph in which an object stays stills for the first five minutes 10 meters away from the origin, and then move at a rate of 1 m/s towards the origin. Double Jeopardy
A lot of right answers.
400
A car is traveling at 70 km/hour. How long does it take for it to cover 100 m in seconds? Double Jeopardy!
5.14 seconds
400
How can the average velocity of an object be calculated on a position time graph? One word answer
Slope
500
The average velocity is defined as the ratio of the change of position to the time interval during which the change occurred.
True
500
Displacement and Distance
Distance = total length of path traveled Displacement = change in final and initial positions
500
What is the equation of motion for the graph that is shown on the board.
For example: x = -8t + 2
500
A racer traveled at 150 miles per hour for 5 seconds. How far did she traveled?
0.208 miles.
500
Double Jeopardy! Bet your points! Draw out and walk in such a way that your displacement is 1/4 of your distance.
Example: Walking in a pentagram.
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