EmSAT Achieve Exam > EmSAT Achieve Videos > Physics for EmSAT Achieve > Calculating Average Speed and Velocity
Calculating Average Speed and Velocity Video Lecture | Physics for EmSAT Achieve
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FAQs on Calculating Average Speed and Velocity Video Lecture - Physics for EmSAT Achieve
| 1. What is the difference between average speed and average velocity? |  |
Ans. Average speed is the total distance traveled divided by the total time taken, while average velocity is the displacement divided by the total time taken. Speed is a scalar quantity, whereas velocity is a vector quantity that includes both magnitude and direction.
| 2. How do you calculate average speed? | |
Ans. Average speed is calculated by dividing the total distance traveled by the total time taken. The formula for average speed is: Average Speed = Total Distance / Total Time.
| 3. Is it possible for an object to have a constant speed but changing velocity? | |
Ans. Yes, it is possible for an object to have a constant speed but changing velocity if the object is moving in a circular path. In this case, the object's speed remains the same, but its velocity changes because the direction of motion is constantly changing.
| 4. Can the average speed of an object ever be greater than its magnitude of average velocity? | |
Ans. No, the average speed of an object can never be greater than the magnitude of its average velocity. The magnitude of velocity represents the object's speed in a specific direction, so the average speed, which is the total distance divided by the total time, will always be greater or equal to the magnitude of average velocity.
| 5. How can you determine the average velocity of an object if its motion is not in a straight line? | |
Ans. To determine the average velocity of an object moving in a curved or non-linear path, you would calculate the displacement (change in position) of the object and divide it by the total time taken. This would give you the average velocity, which includes both the magnitude and direction of the object's motion.
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Nov 15, 2024 Last updated |
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