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P3_Acceleration

# P3_Acceleration - Acceleration Announcements Reminder Check...

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Acceleration

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Announcements / Reminder Check Blackboard announcements! New Office hours: Thu 3:30pm-5:30pm First Homework is due Monday Sept 12, 5pm “Introduction to Mastering Physics “ is still available – does not count Labs will start on Monday Sept 12
Mastering Physics: Registration

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Registering for Mastering Physics OR

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Still having problems?

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Mastering Physics: NetID, Step 1 Changing your ID:
Mastering Physics: NetID, Step 2 Changing your ID:

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Acceleration
Acceleration t v v a - = 1 2 v 1 v 2 Δv= v 2 – v 1 a = Δv / Δt

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Example : If a car traveling at 28 m/s is brought to a full stop 4.0 s after the brakes are applied, find the average acceleration during braking . 2 av m/s 0 . 7 s 0 . 4 m/s 28 0 - = - = = τ ω α Given: v i = +28 m/s, v f = 0 m/s, and t = 4.0 s. v = -28 m/ s. v i v f Δv= v f – v i a = Δv / Δt
Which has a greater acceleration an airplane going from 1000 km/hr to 1005 km/hr in 5 seconds or a skateboarder going from 0 to 5 km/hr in 1 second ? A)The airplane B)The skateboarder C)The same D)Not enough information

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Acceleration Acceleration is: The rate of change of velocity The slope of a velocity- versus-time graph Slide 2-26 t v a =
Acceleration Acceleration is a vector (since v is a vector)

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P3_Acceleration - Acceleration Announcements Reminder Check...

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