Homework Help: PHYSICS PLEASE HELP QUICK

Posted by Katelyn on Thursday, October 5, 2006 at 9:41pm.

An object with an initial speed of 4.0 meters per second accelerates uniformly at 2.0 meters per second2 in the direction of its motion for a distance of 5.0 meters. What is the final speed of the object?

Vi=4m/s
a=2.0m/s*s
d=5.0m
Vf=?

Vf昌=Vi昌+2ad
Vf昌=(4m/s)昌+ 2(2m/s昌)(5m)
Vf昌=16(m/s)昌+ 20(m/s)昌
Vf昌=36(m/s)昌
Vf=6m/s

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