# physics

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A stone is thrown horizontally with an initial speed of 10 m/s from the edge of a cliff. A stop watch measures the stone's trajectory time from the top of the cliff to the bottom to be 4.3 s. What is the height of the cliff?

• physics -

In the vertical direction:
hf=hi+gt
0=hi-9.8t solve for hi

• physics -

58meters

• physics -

91 meter

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