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August 29, 2014

Homework Help: Physics

Posted by John on Wednesday, November 23, 2011 at 11:21am.

[Young & Freedman, 3-12] A military airplane on a routine training mission is flying horizontally (in the positive x-direction) at a speed of 120. m/s and accidently drops a bomb (fortunately not armed) at an elevation of 2090 m. Air resistance may be ignored and answer with the appropriate number of significant figures.
a) How much time is required for the bomb to reach the earth? 1 s

b) How far does the bomb travel horizontally while falling? 2 m

c) Find the horizontal component of the velocity of the bomb just before it strikes the earth. (Include a negative sign if the velocity is in the negative direction. Do not include any sign if the velocity is in the positive direction.) 3 m/s

d)Find the vertical component of the velocity of the bomb just before it strikes the earth. (Include a negative sign if the velocity is in the negative direction. Do not include any sign if the velocity is in the positive direction.) 4 m/s

e) How far does the airplane travel while the bomb is in the air if the airplane's speed remains constant? 5

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