If you walk 4mi north and then 2mi south what is your total displacement?
1 answer:
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Explanation:
- Speed is the rate of change of distance with time.
Speed =
- Velocity is given as the displacement per unit of time:
Velocity =
Speed and velocity are similar but speed is a scalar quantity while velocity is a vector quantity. Speed has magnitude but does not point towards a specific direction. Velocity shows both magnitude and direction and it is a vector quantity.
- Acceleration is given as the change in velocity with time. It is a vector quantity:
Acceleration =
- Distance is how far a body moves. It is scalar quantity.
- Time is the duration of an event. It is a scalar quantity.
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We are trying to find F.
F - 15 = 30(1.5)
F - 15 = 45
F = 60 N