3. The nozzle on the end of a firehose is \( 50 \mathrm{ft} \) from a vertical wall and makes an angle of 50 degrees with the horizontal. The water velocity leaving the nozzle is \( 100 \mathrm{ft} / \mathrm{sec} \). How high above the nozzle will the water stream hit the wall?
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A hose lying on the ground shoots a stream of water upward at an angle of $40^{\circ}$ to the horizontal. The speed of the water is $20 \mathrm{~m} / \mathrm{s}$ as it leaves the hose. How high up will it strike a wall that is a horizontal distance of $8.0 \mathrm{~m}$ away?
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