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Physics 7 Online
OpenStudy (anonymous):

A large boulder is ejected vertically upward from a volcano with an initial speed of 40.0m/s . Air resistance may be ignored. What is the magnitude of the acceleration while the boulder is moving?

OpenStudy (anonymous):

make a free body diagram

OpenStudy (anonymous):

Gravity is te only force acting on it |dw:1381977933791:dw| the magnitude is 9.8m/s^2

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