A 2.60 kg box, starting from rest, slides down a 5.20 m long ramp inclined at 29.5o from the horizontal. Halfway down the ramp, it hits a second box, with a mass of 1.65 kg. The two boxes stick together and slide the rest of the way down the ramp. The coefficient of kinetic friction between the ramp and the boxes is 0.200. How fast are they going when they reach the bottom?
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Two or more vectors are said to be equal when their magnitude is equal and also their direction is the same. The two vectors shown above, are equal vectors as they have both direction and magnitude equal.
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