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Problem 26 (Plug-n-chug). A glider with a mass of 200 g is sliding along a horizontal air track. If the glider's kinetic energy is 1.5 J, what is its speed?

Round your answer to two significant figures. (а) 0.23 m/s (b) 0.30 m/s (c) 3.9 m/s (d) 7.5 m/s (e) None of these

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