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Published byTyrone Stokes Modified over 6 years ago
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Aim: How can we solve for various aspects of a moving object?
Kinematics Aim: How can we solve for various aspects of a moving object? Censored
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The study of moving objects Final Velocity Equation
Kinematics The study of moving objects Final Velocity Equation Time Unit: seconds (s)
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The Distance/Displacement Formula
Unit: meters (m) Time Unit: seconds (s)
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The “Shortcut” Equation
Distance/Displacement Unit: meters (m)
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Constant speed only! Zero acceleration
Kinematics Formulas Constant speed only! Zero acceleration
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Constant speed / Constant velocity
Physics Phrases Phrase Meaning Where / How far d = ? When / How long t = ? How fast v = ? Starts at rest vi = 0m/s Comes to rest / Stops vf = 0m/s Slows down / Brakes a = (negative value) Constant speed / Constant velocity a = 0m/s2
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Example #1 If a new concept car can accelerate at a rate of 12m/s2, (a) how long will it take to reach a top speed of 48m/s if it starts from rest? (b) How far did the car travel within this time? (a) (b)
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Example #2 While driving on the highway, a deer suddenly jumps in front of your car. You slam on the brakes and decelerate at 20m/s2. After coming to rest, the deer frolics away unscathed. You look in the rearview mirror and notice a skid mark on the road that is approximately 33m long; how fast were you going before Bambi decided to be a jerk?
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SUMMARY List all of the Kinematics Formulas
Describe some Physics Phrases you will encounter
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