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Mathematics 21 Online
OpenStudy (error1603):

A 2.0 kg rock is thrown straight up into the air with a speed of 30. m/s. Ignore air resistance. What is the acceleration of the rock?

ganeshie8 (ganeshie8):

Is there any force acting on the rock ?

OpenStudy (anonymous):

-g?

OpenStudy (error1603):

No

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