Jack D. Ripper throws a 4 gram pencil which lodges into a Sponge Bob doll that weighs 221 grams on its own. The doll was at rest on a rainbow with a coefficient of friction between itself and the doll of .325. The doll/pencil combination then slide 11.9 cm across the rainbow before coming to a stop. Determine the speed at which the pencil is moving prior to hitting the doll.
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
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