Practice: The position-time graph for a moving box is shown below.
(a) What is the box’s average velocity from 0 to 5s?
(b) What is the box’s average velocity from 0 to 8s?
(c) What is the box’s velocity in the interval where it’s moving fastest?
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| Ch 01: Intro to Physics; Units | 1hr & 22mins | 0% complete | ||
| Ch 02: 1D Motion / Kinematics | 4hrs & 13mins | 0% complete | ||
| Ch 03: Vectors | 2hrs & 43mins | 0% complete | ||
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| Ch 22: Kinetic Theory of Ideal Gases | 1hr & 44mins | 0% complete | ||
| Ch 23: The First Law of Thermodynamics | 1hr & 26mins | 0% complete | ||
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| Ch 25: Electric Force & Field; Gauss' Law | 3hrs & 34mins | 0% complete | ||
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| Sections | |||
|---|---|---|---|
| Vectors, Scalars, & Displacement | 14 mins | 0 completed | Learn |
| Average Velocity | 33 mins | 0 completed | Learn |
| Intro to Acceleration | 8 mins | 0 completed | Learn |
| Position-Time Graphs & Velocity | 26 mins | 0 completed | Learn |
| Conceptual Problems with Position-Time Graphs | 22 mins | 0 completed | Learn |
| Velocity-Time Graphs & Acceleration | 6 mins | 0 completed | Learn |
| Calculating Displacement from Velocity-Time Graphs | 15 mins | 0 completed | Learn |
| Conceptual Problems with Velocity-Time Graphs | 11 mins | 0 completed | Learn |
| Calculating Change in Velocity from Acceleration-Time Graphs | 11 mins | 0 completed | Learn |
| Graphing Position, Velocity, and Acceleration Graphs | 11 mins | 0 completed | Learn |
| Kinematics Equations | 53 mins | 0 completed | Learn |
| Vertical Motion and Free Fall | 20 mins | 0 completed | Learn |
| Catch/Overtake Problems | 23 mins | 0 completed | Learn |
Concept #1: Intro to Position-Time Graphs & Velocity
Concept #2: Curved Position-Time Graphs & Acceleration
Concept #3: Position-Time Graphs and Instantaneous Velocity
Practice: The position-time graph for a ball on a track is shown below.
(a) What is the ball’s velocity at 4s?
(b) At what time(s) is the ball approximately travelling at -10m/s?
(c) From t = 3 to 7s, what is the sign of the acceleration?
Progress
0 of 5 completed
