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Ah Yiife
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OP has been warned about posting schoolwork/homework without using the HH Template and showing some effort.
1. The shape of the ping pong launcher I think is 'catapult' but I don't know the suitable size and the materials need to use. The ping pong ball need to be launch to a distance of 4m and 10m respectively.
What are the size and materials used is most suitable to launch the ping pong ball this far ?
What are the size and materials used is most suitable to launch the ping pong ball this far ?
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