How far does the ping pong travel

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A spring loaded gun is used to launch a ping pong ball (mass 4g) at an angle of 50 degrees with the horizontal. The spring has constant k=40N/m and the initial compression of the spring was 3cm. Ignoring air resistance, how far does the ping pong travel if it is launched from the ground (lands at the same height it was shot from)?

Reference no: EM13309534

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