Ch2sec2 - Objectives Describe motion in terms of changing...

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Copyright © by Holt, Rinehart and Winston. All rights reserved. Objectives Describe motion in terms of changing velocity. Compare graphical representations of accelerated and nonaccelerated motions. Apply kinematic equations to calculate distance, time, or velocity under conditions of constant acceleration.
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Copyright © by Holt, Rinehart and Winston. All rights reserved. Acceleration f i avg f i v v v a t t t - = = - change in velocity average acceleration = time required for change How “quickly” velocity changes
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Copyright © by Holt, Rinehart and Winston. All rights reserved. Acceleration
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Copyright © by Holt, Rinehart and Winston. All rights reserved. Acceleration (moving South) f i avg f i v v v a t t t - = = - 5m s 0m s 5 s 0 s - = - 1m s s = + 2 1m s = + South is the positive direction. Cyclist is speeding up in the positive direction. f i avg f i v v v a t t t - = = - 5 s 0 s - = - 1m s s = - 2 = - South is the positive direction. Cyclist is slowing down in the positive direction. Acceleration is negative even though the motion is in the same direction.
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Copyright © by Holt, Rinehart and Winston. All rights reserved.
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This note was uploaded on 04/12/2011 for the course PHYS 1310 taught by Professor Staff during the Spring '11 term at North Texas.

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Ch2sec2 - Objectives Describe motion in terms of changing...

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