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December 21, 2014

Homework Help: physics

Posted by Taylor on Tuesday, September 18, 2012 at 7:06pm.

A bullet is fired from a rifle that is held 4.6 m above the ground in a horizontal position. The initial speed of the bullet is 1130 m/s. There is no error in the velocity value.


(a) Find the time it takes for the bullet to strike the ground.

(b) Find the horizontal distance traveled by the bullet.

(c) If the error in time measurements is Δt, what will be the equation to calculate error in the horizontal distance (Δx)? (Assume x is in meters and t is in seconds. Do not enter units in your expression. Substitute numeric values; the only variable you should enter is Δt.)

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