Question: 9) A 10 kg box is on a horizontal surface being pushed to the right by an applied force of 70 N. If the

9) A 10 kg box is on a horizontal surface being pushed to the right by an applied force of 70 N. If the friction acting on the box is 40% of its normal force, determine its acceleration. 10) If the 10 kg box from question 9, slides into a stationary 5 kg box, determine: a) The new acceleration of the two boxes together b) How much force the 5 kg box applies to the 10 kg box

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