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1. A canon is tilted up at 30° and fired with an initial speed of 58.8...

1. A canon is tilted up at 30° and fired with an initial speed of 58.8 m/s. The ball lands on the flat roof of a building 39.2 m tall. Find the horizontal range.

2. A javelin is thrown diagonally upwards at 45° with a speed of 49√2 m/s. Find its horizontal range on level ground, its maximum height, and its speed at the top of its parabola.

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