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Unit 9/chapter 2
Unit 9/chapter 2 study guide
| Question | Answer |
|---|---|
| If u walk 2 miles from your house and back, what is your a) distance traveled and b) displacement? | A. 4 miles B. 9 miles |
| Motion is defined as a change in | Position |
| Which if these is a velocity: 5 m/s or 5 m/s north? why? | 5 m/s north because velocity includes direction. |
| A single point on a distance-time graph tells you an object's | Instantaneous speed |
| Acceleration | Is the rate of change of velocity over time. |
| Inertia varies depending on an object's | Mass |
| Newton's first law of motion is also called the law of | Inertia |
| The distance traveled by an object divided by the time it takes to travel that distance is called | Average speed |
| The speed of an object at rest is | Zero |
| The difference between speed and velocity is velocity includes | Direction |
| The SI unit for acceleration is | M/s 2 |
| The combination of all the forces acting on an object is called the | Net force |
| If the net force acting on a stationary object is zero, the object will | Remain at rest |
| An object is in motion when the object changes | Position in relative to a stationary reference point |
| In a car crash | Inertia could cause you to crash into the windshield. |
| When an object speeds up, it's acceleration is | Positive; when an object slows down, it's acceleration is negative. |
| A= | Acceleration |
| Vf= | Final velocity |
| Vi= | Initial velocity |
| Tf= | Final time |
| D= | Distance |
| V= | Velocity |
| T= | Time |
| The faster an object is moving, the | Steeper the slope on a distance-time graph. |
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Katwill678
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