Questions and Answers
What does velocity measure?
Which of the following best describes how velocity differs from speed?
Which unit is commonly used to express velocity?
Velocity is calculated using which of the following formulas?
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What does a change in velocity indicate?
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Study Notes
Velocity Measurement
- Velocity measures the rate at which an object changes its position.
- It combines both speed and direction, making it a vector quantity.
Difference Between Velocity and Speed
- Velocity is directional; speed only indicates how fast an object moves regardless of its direction.
- Two objects can have the same speed but different velocities if they travel in different directions.
Common Units of Velocity
- The most commonly used unit to express velocity is meters per second (m/s).
- Other units can include kilometers per hour (km/h) or miles per hour (mph).
Velocity Calculation
- Velocity is calculated using the formula:
- Velocity (v) = Displacement (d) / Time (t)
- Displacement refers to the change in position from the starting point to the endpoint.
Change in Velocity
- A change in velocity indicates an acceleration or deceleration of an object.
- It can occur due to a change in speed, direction, or both during motion.
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Description
Test your understanding of velocity with this quiz. Explore key concepts such as the difference between velocity and speed, the units used to express velocity, and formulas for calculation. Challenge your knowledge about what changes in velocity can indicate.
