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the ones he wrote out were...

a 25 n force will accelerate a 15kg object over a horizontal and low friction surface from rest to 2.4 m/s in 1.4 s find the work done on the object.

and

a 25 n force is applied to a 15kg cart where the force of friction is 8.5N the distance travelled is 16.5 m the cart starts from a dead stop. Determine the carts final velocity using its kinetic energy.

any help would be great.