Question: To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 300 m/s at 55.0 above the horizontal.

To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 300 m/s at 55.0° above the horizontal. It explodes on the mountainside 42.0 s after firing. What are the x and y coordinates of the shell where it explodes, relative to its firing point?

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