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What is the difference between speed and velocity?
- a)Speed is a scalar quantity while velocity is a vector quantity.
- b)Velocity is a scalar quantity while speed is a vector quantity.
- c)Both speed and velocity are scalar quantities.
- d)Both speed and velocity are vector quantities.
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
What is the difference between speed and velocity?a)Speed is a scalar ...
Speed only refers to how fast something is moving, while velocity refers to how fast something is moving in a particular direction.
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What is the difference between speed and velocity?a)Speed is a scalar ...
Speed vs. Velocity:
Speed and velocity are both related to the motion of an object, but they have distinct differences that set them apart.
Speed:
- Speed is a scalar quantity, which means it only has magnitude and no direction.
- It is defined as the rate at which an object covers distance.
- Speed is calculated by dividing the distance traveled by the time taken.
- The unit of speed is typically meters per second (m/s) or kilometers per hour (km/h).
Velocity:
- Velocity is a vector quantity, which means it has both magnitude and direction.
- It is defined as the rate at which an object changes its position.
- Velocity takes into account the direction of an object's motion in addition to its speed.
- Velocity is calculated by dividing the displacement of an object by the time taken.
- The unit of velocity is also typically meters per second (m/s) or kilometers per hour (km/h).
Key Differences:
- The main difference between speed and velocity lies in their consideration of direction. Speed only looks at how fast an object is moving, while velocity considers both speed and direction.
- Speed is a scalar quantity, whereas velocity is a vector quantity. This means that speed only has magnitude, while velocity has both magnitude and direction.
- In everyday language, speed is often used interchangeably with velocity, but in physics, they have distinct definitions and implications.
Speed and velocity are both related to the motion of an object, but they have distinct differences that set them apart.
Speed:
- Speed is a scalar quantity, which means it only has magnitude and no direction.
- It is defined as the rate at which an object covers distance.
- Speed is calculated by dividing the distance traveled by the time taken.
- The unit of speed is typically meters per second (m/s) or kilometers per hour (km/h).
Velocity:
- Velocity is a vector quantity, which means it has both magnitude and direction.
- It is defined as the rate at which an object changes its position.
- Velocity takes into account the direction of an object's motion in addition to its speed.
- Velocity is calculated by dividing the displacement of an object by the time taken.
- The unit of velocity is also typically meters per second (m/s) or kilometers per hour (km/h).
Key Differences:
- The main difference between speed and velocity lies in their consideration of direction. Speed only looks at how fast an object is moving, while velocity considers both speed and direction.
- Speed is a scalar quantity, whereas velocity is a vector quantity. This means that speed only has magnitude, while velocity has both magnitude and direction.
- In everyday language, speed is often used interchangeably with velocity, but in physics, they have distinct definitions and implications.
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