Homework Help: physics

Posted by freshmen on Thursday, October 4, 2012 at 12:31pm.

A jet makes a landing traveling due east with a speed of 100 m/s. If the jet comes to rest in 15.0 s, what is the magnitude and direction of its average acceleration?

due west or due east?

How can I solve this question? You don't have to give me the answer but how you derive to that would be perfect. thanks

physics - Elena, Friday, October 5, 2012 at 4:00am
v=v₀-at
v=0
v₀= at
a= v₀/t=100/15=6.67 m/s² (due East)

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