Homework Help: Physics

Posted by Lawrence on Thursday, October 13, 2011 at 1:31am.

An objectis thrown upward from the edge of a tall building with a velocity of 10m/s. Where will the object be 3s after it is thrown? Take g = 10m/s^2
15m above the top of the building
30m below the top of the building
15m below the top of the building
30m above the building

Physics - Henry, Friday, October 14, 2011 at 8:17pm
d = Vo*t + 0.5g*t^2,
d = 10*3 - 5*3^2 = -15m. = 15m below the top of building.
Physics - Joy, Saturday, June 15, 2013 at 9:32am
What is the gravitation field strength of a height above the surface of the earth? R is the radius of the earth. Ans a, pls correct
Physics - Joy, Saturday, June 15, 2013 at 9:33am
What is the gravitation field strength of a height above the surface of the earth? R is the radius of the earth. Ans a, pls correct

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