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# Velocity

## The speed of an object in a given direction.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Read

## Velocity

by CK-12 //at grade
Students will learn how analyze and solve problems in two dimensions containing velocity vectors but no acceleration.
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6
• Interactive Simulations

## Irwin and Ruthie

by CK-12 //at grade
Learn about the relationship between position, velocity, and acceleration for two objects in one-dimensional motion.
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0
• Interactive Simulations

## Butterfly Stroke

by CK-12 //at grade
Learn about the relationship between velocity and position for a swimmer.
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0
• Simulation

## Relative Velocity Simulation

by CK-12 //at grade
Adjust velocity and observe how it affects the time objects take to travel a given distance.
MEMORY METER
This indicates how strong in your memory this concept is
2
• Video

## Relative Velocity

by CK-12 //at grade
Uses a ball and cart to demonstrate how relative velocity can be implemented in practical scenarios.
MEMORY METER
This indicates how strong in your memory this concept is
2
• 2
• Downloadable Quiz

## Relative Velocity Quiz - PPB

by CK-12 //at grade
Covers the relative velocity of two objects given their individual speeds, including a few problems requiring Pythagorean theorem for combining vectors.
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0
• Critical Thinking

## Relative Velocity Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Relative Velocity.
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0
• Real World Application

## How Fast Does A Gravitational Wave Travel?

by CK-12 //at grade
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