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December 21, 2014

December 21, 2014

Posted by **sam** on Thursday, June 10, 2010 at 10:46pm.

A stone is thrown at an angle of 30° above the horizontal from the top edge of a cliff with an initial speed of 19.6 m/s. A stop watch measures the stone's trajectory time from top of cliff to bottom to be 6.7 s. How far out from the cliff's edge does the stone travel horizontally? (g = 9.8 m/s2 and air resistance is negligible)

A) 58 m

B) 114 m

C) 120 m

D) 175 m

E) 197 m

- physics -
**drwls**, Thursday, June 10, 2010 at 11:40pmMultiply the horizontal velocity component (which remains constant) by the trajectory time and you will have the horizontal distance traveled. Round to the nearest meter and it will agree with one of the choices.

- physics -
**pupu**, Wednesday, November 19, 2014 at 9:54pm154.3

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