Podcast
Questions and Answers
What is the acceleration of Dominic when he brakes from 20 m/s to 10 m/s over 2 seconds?
What is the acceleration of Dominic when he brakes from 20 m/s to 10 m/s over 2 seconds?
- 5 m/s²
- -5 m/s² (correct)
- -15 m/s²
- 15 m/s²
At what time does the cart have a velocity of 15 m/s according to the provided graph?
At what time does the cart have a velocity of 15 m/s according to the provided graph?
- 3.0 s
- 2.0 s
- There's no indication of 15 m/s in the graph. (correct)
- 1.5 s
How far does the cart travel according to the graph mentioned?
How far does the cart travel according to the graph mentioned?
- 30 m (correct)
- 0 m
- 40 m
- 4 m
What is the total displacement of the cart based on the graph?
What is the total displacement of the cart based on the graph?
What is the velocity of a ball thrown upwards at 2 m/s when it lands back in your hand?
What is the velocity of a ball thrown upwards at 2 m/s when it lands back in your hand?
When do the objects represented in the graph have the same speed?
When do the objects represented in the graph have the same speed?
If a cart speeds up while moving towards the origin, what do the position and velocity graphs look like?
If a cart speeds up while moving towards the origin, what do the position and velocity graphs look like?
What does the acceleration graph look like for a ball rolling up a ramp and then back down?
What does the acceleration graph look like for a ball rolling up a ramp and then back down?
What is the initial speed of the ball released by Dalton in meters per second?
What is the initial speed of the ball released by Dalton in meters per second?
How far down the field would the ball have landed if it was not caught?
How far down the field would the ball have landed if it was not caught?
What is the necessary acceleration for the train's brakes to stop it?
What is the necessary acceleration for the train's brakes to stop it?
How high did Thielen need to jump to catch the ball at the goal line?
How high did Thielen need to jump to catch the ball at the goal line?
If the train is moving at 50 mph, what is its speed in meters per second?
If the train is moving at 50 mph, what is its speed in meters per second?
What minimum speed must you run to ensure you leap off the train at 9 m/s relative to the ground?
What minimum speed must you run to ensure you leap off the train at 9 m/s relative to the ground?
What is the slope of the track indicated by a 5% grade?
What is the slope of the track indicated by a 5% grade?
What angle did Dalton release the ball relative to the horizontal?
What angle did Dalton release the ball relative to the horizontal?
Flashcards
Acceleration
Acceleration
The rate of change of velocity over time. It is measured in meters per second squared (m/s²).
Velocity
Velocity
The rate of change of position over time. It is measured in meters per second (m/s).
Distance
Distance
The total path length traveled by an object.
Displacement
Displacement
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Constant Velocity
Constant Velocity
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Constant Acceleration
Constant Acceleration
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Motion Diagram
Motion Diagram
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Velocity Graph
Velocity Graph
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Initial Velocity
Initial Velocity
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Components of Velocity
Components of Velocity
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Projectile Motion
Projectile Motion
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Range of a Projectile
Range of a Projectile
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Grade of a Track
Grade of a Track
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Relative Velocity
Relative Velocity
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Minimum Speed for Safe Jump
Minimum Speed for Safe Jump
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Study Notes
Exam Information
- Exam name: PHYS 407 Exam 1A
- Exam date: Friday, September 27th
- Exam time: 10:10 AM - 11:00 AM
- Versions: A and B are different
- Exam parts: Short answer (50 points) and a problem (70 points)
- Total points possible: 120 points
Equations and Constants
- x = xi + vit + ½at²
- v = vi + at
- v² - vi² = 2a(x - xi)
- g = -9.8 m/s²
- Quadratic equation solution: x = (-b ± √(b² - 4ac)) / 2a
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