While having some rest, you saw your dog ran from the bench, to the seesaw, then to the swing, to the flowering plant and back to the bench. You noticed that your dog spent 5 minutes to do it.
Q5. What did you consider in order to determine the distance and displacement for the entire trip?
Q6. How did you measure how fast your dog was?
Q7. How were you able to tell its velocity?
Q8. How can distance, displacement, speed, and velocity help in describing object’s motion?
Q5. What did you consider in order to determine the distance and displacement for the entire trip?
Q6. How did you measure how fast your dog was?
Q7. How were you able to tell its velocity?
Q8. How can distance, displacement, speed, and velocity help in describing object’s motion?
Answers & Comments
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Answer
Q5 Because displacement is dependent on the direction an object moves. When an object comes back to its origin it is said to have zero displacement. Therefore the total displacement of travel is the whole distance traveled from the beginning to the end of the journey.
Q6 by measuring it
Q7 Saying Ariel the Dog runs at 9 km/h (kilometers per hour) is a speed. But saying he runs 9 km/h Westwards is a velocity.
...
Speed and Velocity.
Speed Velocity
Example: 5 m/s 5 m/s upwards
Q8 Speed is a description of how fast an object moves; velocity is how fast and in what direction it moves. In physics, velocity is speed in a given direction. ... Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion.