Word+Problems

1) You are competing in the field target event at a hot-air balloon festival. From a hot-air balloon directly over a target, you throw a marker with an initial downward velocity of -30 feet per second. from a height of 200 feet. How many seconds will it take the marker to reach the target?

2) A gymnast dismounts the uneven parallel bars at a height of 8 feet with an initial upward velocity of 8 feet per second. How many seconds will take him to reach the ground?

3) A peregrine falcon dives toward a pigeon on the ground. When the falcon is at a height of 100 feet, the pigeon sees the falcon, which is diving at 220 feet per second. Estimate to the nearest tenth of a second the time the pigeon has to escape.

4) A red-tailed hawk dives toward a snake. When the hawk is at a height of 200 feet, the snake sees the hawk, which is diving at 105 feet per second. Estimate to the nearest tenth of a second the time the snake has to escape.

5) You drop your keys from a window 30 feet above the ground to your friend below. Your friend misses them. How many seconds did it take for the keys to reach the ground?

6) An acorn falls 45 feet from an oak tree. How long does the mouse on the ground have to move away before getting hit on the head?

7) A lacrosse player throws a ball upward from her playing stick from an initial height of 7 feet and an initial velocity of 90 feet per second. How long before the ball hits the ground?

8) You throw a shoe downward with an initial velocity of -10 feet per second out of a window in an attempt to hit some obnoxious heckler on the street 50 feet below. He sees it coming and avoids it. How long does it take the shoe to hit the ground?

9) A batter hits a pitched baseball when it is 3 feet off the ground. After it is hit, it moves with an initial upward velocity of 80 feet per second. If no one on the opposing team catches it, how long until it hits the ground?

10) You are standing on a bridge over a creek holding a stone 20 feet above the water. You release the stone. How long will it take for the stone to reach the water?

11) You are standing on a bridge over a creek holding a stone 20 feet above the water. You throw the stone upward with an initial velocity of 30 feet per second. How long will it take for the stone to reach the water?

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