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Q1. An artillery shell is fired with the initial velocity of 300 m/s at 65.0° above the horizontal. To clear an avalanche, it explodes on a mountainside 48.5 s after firing. What is the x and y components of the shell where it explodes, relative to its firing point?

Q2. A 1.35 kg object is moving in the x direction at 16.4 m/s. Just 3.61 s later, it is moving at 28.8 m/s at 36.0^circ to the x axis. What is the magnitude of force applied throughout this time?

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