Posted by **Anonymous** on Tuesday, January 25, 2011 at 11:08pm.

A constant force of 1.5 N to the right acts on a 2.5 kg mass for 0.30 s.

(a) Find the final velocity of the mass if it is initially at rest.

m/s to the right

(b) Find the final velocity of the mass if it is initially moving along the x-axis with a velocity of 12 m/s to the left.

m/s to the left

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