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High school physics problem involving a spring slingshot
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[QUOTE="haruspex, post: 5003293, member: 334404"] You can follow that line, expressing the speed as a function of the unknown variable x (the initial spring extension). From there, obtain the distance as a function of x, and see what x gives the desired distance. That's the way I'd do it, working backwards. Remember you can write kinematic (SUVAT) equations for vertical and horizontal. They share the time variable, so you can eliminate that between them. That should give you enough information. The trick with SUVAT equations is to pick the one that involves the four variables of interest. Since you need to set the times equal, you'll want t involved in each. Post some attempt. [/QUOTE]
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High school physics problem involving a spring slingshot
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