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# Strategy to find speed of hockey puck at launch and as it leaves the rink

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A hockey puck just clears the 2.00-m high boards on its way out of the rink. The base of the boards is 20.2 m from the point where the puck is launched. a. given the launch angle of the puck (-), outline a strategy that you can use to find its initial speed Vo.
b. use your strategy to find Vo for (-) = 15.0 degrees.

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a.
In vertical direction:
Vo sin(Q) * T - (1/2)gT^2 = H = 2.00 ....(1)
where Q is the angle of launch and T is the total time of ...

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• BEng, Allahabad University, India
• MSc , Pune University, India
• PhD (IP), Pune University, India
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