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Introductory Physics Homework Help
Dynamics in Motion: Solving Problems with Acceleration and Velocity Equations
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[QUOTE="Doc Al, post: 5785475, member: 3546"] That time is irrelevant for figuring out the speed. Realize that there are two (really three!) segments to the motion, each quite different: (a) Constant acceleration as it moves from speed zero to some unknown speed; (b) Constant speed for 4 s until it hits the rough spot; (c) Constant acceleration as it slows down to rest. To find that cruising speed, you must analyze segment (a). Equation (4) won't help you there. [/QUOTE]
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Introductory Physics Homework Help
Dynamics in Motion: Solving Problems with Acceleration and Velocity Equations
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