PhysicsLAB: Average Speed and Average Velocity

PhysicsLAB

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Average Speed and Average Velocity

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Which vector diagram represents the greatest magnitude of displacement for an object?

What would be the total displacement of a student who walks 3 blocks east, 2 blocks north, 1 block west, and then 2 blocks south?

A group of bike riders took a 4.0 hour trip. During the first 3.0 hours, they traveled a total of 50. kilometers but during the last hour they traveled only 10. kilometers. What was the group's average speed for the entire trip?

13 km/hr15 km/hr30. km/hr40. km/hr

Now, suppose a car travels 90. meters due north in 15 seconds. Then the car turns around and travels 40. meters due south in 5.0 seconds. What is the magnitude of the average velocity of the car during this 20.-second interval?

2.5 m/s5.0 m/s6.5 m/s7.0 m/s

Which set of terms pairs up an initial vector quantity with its associated scalar quantity?

acceleration and velocity
displacement and distance
speed and time
instantaneous velocity and instantaneous speed

A baseball pitcher throws a fastball at 42 meters per second. If the batter is 18 meters from the pitcher, approximately how much time does it take for the ball to reach the batter?

0.43 sec0.86 sec1.0 sec2.3 sec

The position of two blocks at successive 0.20 second time intervals are represented by the numbered squares in the diagram below. The blocks are moving toward the right. Do the blocks ever have the same speed?

No.
Yes, at exactly 2.
Yes, at exactly 2 and then again at 5.
Yes, some time during interval from 3 to 4.

A motorist travels 400 km at 80 km/h and 400 km in at 100 km/h. What is the average speed of the motorist on this trip?

84 km/hr89 km/hr90 km/hr91 km/hr95 km/hr

A toy car moves 0.80 m in 0.5 s at the constant velocity. If it continues, how far will it travel in a total of 3.0 s?

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Lab:	Labs - A Photoelectric Effect Analogy Labs - Acceleration Down an Inclined Plane Labs - Ballistic Pendulum: Muzzle Velocity Labs - Coefficient of Friction Labs - Coefficient of Kinetic Friction (pulley, incline, block) Labs - Collision Pendulum: Muzzle Velocity Labs - Conservation of Momentum Labs - Cookie Sale Problem Labs - Flow Rates Labs - Freefall Mini-Lab: Reaction Times Labs - Freefall: Timing a Bouncing Ball Labs - Galileo Ramps Labs - Gravitational Field Strength Labs - Home to School Labs - InterState Map Labs - LAB: Ramps - Accelerated Motion Labs - LabPro: Newton's 2nd Law Labs - LabPro: Uniformly Accelerated Motion Labs - Mass of a Rolling Cart Labs - Moment of Inertia of a Bicycle Wheel Labs - Monkey and the Hunter Animation Labs - Monkey and the Hunter Screen Captures Labs - Projectiles Released at an Angle Labs - Ramps: Sliding vs Rolling Labs - Range of a Projectile Labs - Roller Coaster, Projectile Motion, and Energy Labs - Rube Goldberg Challenge Labs - Target Lab: Ball Bearing Rolling Down an Inclined Plane Labs - Terminal Velocity Labs - Video LAB: A Gravitron Labs - Video Lab: Ball Bouncing Across a Stage Labs - Video LAB: Ball Re-Bounding From a Wall Labs - Video Lab: Cart Push #2 and #3 Labs - Video Lab: Falling Coffee Filters Labs - Video Lab: Two-Dimensional Projectile Motion
Resource Lesson:	RL - Accelerated Motion: A Data Analysis Approach RL - Accelerated Motion: Velocity-Time Graphs RL - Analyzing SVA Graph Combinations RL - Average Velocity - A Calculus Approach RL - Chase Problems RL - Chase Problems: Projectiles RL - Comparing Constant Velocity Graphs of Position-Time & Velocity-Time RL - Constant Velocity: Position-Time Graphs RL - Constant Velocity: Velocity-Time Graphs RL - Derivation of the Kinematics Equations for Uniformly Accelerated Motion RL - Derivatives: Instantaneous vs Average Velocities RL - Directions: Flash Cards RL - Freefall: Horizontally Released Projectiles (2D-Motion) RL - Freefall: Projectiles in 1-Dimension RL - Freefall: Projectiles Released at an Angle (2D-Motion) RL - Monkey and the Hunter RL - Summary: Graph Shapes for Constant Velocity RL - Summary: Graph Shapes for Uniformly Accelerated Motion RL - SVA: Slopes and Area Relationships RL - Vector Resultants: Average Velocity
Review:	REV - Test #1: APC Review Sheet
Worksheet:	APP - Hackensack APP - The Baseball Game APP - The Big Mac APP - The Cemetary APP - The Golf Game APP - The Spring Phling CP - 2D Projectiles CP - Dropped From Rest CP - Freefall CP - Non-Accelerated and Accelerated Motion CP - Tossed Ball CP - Up and Down NT - Average Speed NT - Back-and-Forth NT - Crosswinds NT - Headwinds NT - Monkey Shooter NT - Pendulum NT - Projectile WS - Accelerated Motion: Analyzing Velocity-Time Graphs WS - Accelerated Motion: Graph Shape Patterns WS - Accelerated Motion: Practice with Data Analysis WS - Advanced Properties of Freely Falling Bodies #1 WS - Advanced Properties of Freely Falling Bodies #2 WS - Advanced Properties of Freely Falling Bodies #3 WS - Average Speed Drill WS - Charged Projectiles in Uniform Electric Fields WS - Chase Problems #1 WS - Chase Problems #2 WS - Chase Problems: Projectiles WS - Combining Kinematics and Dynamics WS - Constant Velocity: Converting Position and Velocity Graphs WS - Constant Velocity: Position-Time Graphs #1 WS - Constant Velocity: Position-Time Graphs #2 WS - Constant Velocity: Position-Time Graphs #3 WS - Constant Velocity: Velocity-Time Graphs #1 WS - Constant Velocity: Velocity-Time Graphs #2 WS - Constant Velocity: Velocity-Time Graphs #3 WS - Converting s-t and v-t Graphs WS - Energy Methods: More Practice with Projectiles WS - Energy Methods: Projectiles WS - Force vs Displacement Graphs WS - Freefall #1 WS - Freefall #2 WS - Freefall #3 WS - Freefall #3 (Honors) WS - Horizontally Released Projectiles #1 WS - Horizontally Released Projectiles #2 WS - Kinematics Along With Work/Energy WS - Kinematics Equations #1 WS - Kinematics Equations #2 WS - Kinematics Equations #3: A Stop Light Story WS - Lab Discussion: Gravitational Field Strength and the Acceleration Due to Gravity WS - Position-Time Graph "Story" Combinations WS - Projectiles Released at an Angle WS - Rotational Kinetic Energy WS - SVA Relationships #1 WS - SVA Relationships #2 WS - SVA Relationships #3 WS - SVA Relationships #4 WS - SVA Relationships #5 WS - Work and Energy Practice: An Assortment of Situations TB - 2A: Introduction to Motion TB - 2B: Average Speed and Average Velocity TB - Antiderivatives and Kinematics Functions TB - Honors: Average Speed/Velocity TB - Kinematics Derivatives TB - Projectile Summary TB - Projectile Summary TB - Projectiles Mixed (Vertical and Horizontal Release) TB - Projectiles Released at an Angle TB - Set 3A: Projectiles

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