Wednesday
March 4, 2015

Homework Help: physics

Posted by sam on Saturday, June 28, 2014 at 5:12pm.

A 6 kg box with initial speed 5 m/s slides across the floor and comes to a stop after 1.4 s.

a.What is the magnitude of the average net force on the box?

b.You put a 3 kg block in the box, so the total mass is now 9 kg, and you launch this heavier box with an initial speed of 5 m/s. How long does it take to stop?

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