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Constant, Instantaneous, and Average, All concepts learned in S3, Units of…
Constant, Instantaneous, and Average
Constant Acceleration: The velocity stays the same
Instantaneous Acceleration: It's given at an instant
Average Acceleration: The change in velocity divided by the taken time
Constant Speed: It stays the same. The object doesn't speed up or slow down
Instantaneous Speed: It's given at an instant
Average Speed: The total displacement divided by the total time travelled.
Constant Velocity: The direction and speed of the object stays constant.
Instantaneous Velocity: It's given at a specific time.
Average Velocity: The total displacement divided by the time taken.
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Units of measurements, formulas used to solve problems
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Velocity vs Acceleration
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The way to calculate acceleration is subtracting the the final velocity minus the initial velocity divided by the time.
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3 Real Life examples
First example: The centripetal acceleration, an example in real life can be the cars, when there is a car competition many cars accelerate into curved paths to go faster and also in circular ways to finish even faster the race.
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Third example: Acceleration, in this example we will use a plane, when we are inside the plane and there are stil people aboarding, then the airplane dosent have speed but when we are about to go, the plane starts slowly to move until it gets a straight path and in that straight path it accelerates its velocity so the plane can start flying, and we notice because we can feel the acceleration in our bodies because it pulls us backwards.
Second example: Acceleration, when a person is in a race, the person is going at a constant velocity but when they are in the final lap of the race, then they accelerate and we notice that because we can see that the person is accelerating so it can go faster to get first place.
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