Starting at t = 0, a net force F = 1.5 t 2 N in the positive x direction acts of an object of mass 2.4 kg for 5 seconds. (Note that the force depends on t.) a) What is the change in momentum of the object? b) If the object were initially traveling at 30 m/s in the negative x direction, what is its final speed? c) What is the change in kinetic energy of the object?

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