review your equation of motion. the distance is
s = 1/2 at^2
You know s=435 and a=-9.8
So, just find t.
Please help me to to solve this quadratic equation word problem. Here is the question:
Studying Microgravity. NASA'S Glen Research Center in Cleveland, Ohio, has a 435-foot drop tower that begins on the surface and descends into Earth like a mineshaft. How long will it take a sealed container to fall 435 feet? Round to the nearest tenth of a second.
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