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Warranty Activation Headquarters, Warranty Activation Headquarters| mike.helin |
Posted: Mar 10 2007, 10:18 AM
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Newbie  Group: Members Posts: 1 Joined: 10-March 07 Positive Feedback: 0% Feedback Score: 0  |
Hi my name is Mike and I'm wprking for Warranty Activation Headquarters, i'm trying to find an equation to calculate the height of a stone (0.89kg) which is thrown at 10.5ms and whose minimum kinetic energy, at the top of the arc, is 2.3J. Any advice? Best regards, Warranty Activation Headquarters Mike helin |
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| turin |
Posted: Mar 15 2007, 04:06 AM
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Member Group: Members Posts: 173 Joined: 10-March 07 Positive Feedback: 100% Feedback Score: 4 |
My main advice is to take this to the homework help forum.
Some hints: - Consider the velocity as a 2-component vector (horizontal and vertical) - Set one of these components to zero at the top of the trajectory - Relate the nonzero component at the top of the trajectory to the minimum kinetic energy - Look up some kinematic equations This post has been edited by turin on Mar 15 2007, 04:09 AM |
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