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A branch falls from a tree. How fast is the branch moving after 0.28 seconds?

1 Answer

Nov 30, 2015

#2.74"m/s"#

Explanation:

Since the branch is falling under gravity we can use one of the equations of motion:

#v=u+at#

This becomes:

#v=0+"g"t#

#:.v=9.8xx0.28=2.74"m/s"#

This assumes no air resistance.

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