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Introductory Physics Homework Help
Bike Approaching Stopped Truck at Traffic Lights
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[QUOTE="Delphi51, post: 4519454, member: 162048"] The idea is to capture the motion of the bike in the formula. When you see d = -7.5 + 10t, think t=0, d=-.7.5 t=1, d= 2.5 (past where the back of the truck was a second ago!) t =2, d = 12.5 Now if you capture the truck's motion, too, you can work out where they are relative to each other. Formulas that tell everything about the motion as functions of time are tremendously powerful. Another approach would be to graph them both on a d vs t graph. Of course these two equations are just the equations of the line for the bike and the parabola for the truck. [/QUOTE]
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Bike Approaching Stopped Truck at Traffic Lights
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