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Home Q & A Board Science-Related Homework Help Physics
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einsteindude einsteindude
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9 years ago
A rock is dropped from rest off of a high cliff on another planet, planet X. There is no atmosphere, and thus no air resistance, on planet X. At the end of 1 second, the rock is moving at a speed of 6 m/s. At the end of 2 seconds, it is moving at 12 m/s. How fast will the rock be moving at 4 seconds after being dropped?       

A) 18 m/s       B) 24 m/s       C) 36 m/s       D) 20 m/s       E) 40 m/s
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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mel!811mel!811
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