Question: Q1 ( 20pts) : A child slips down a 4.8m frictionless slide that makes an angle of 20 with the horizontal. Sh starts at the

Q1 ( 20pts) : A child slips down a 4.8m frictionless slide that makes an angle of 20 with the horizontal. Sh starts at the top with a speed of 0.45m/s. Use the conservation of mechanical energy to find her speed at th bottom of the slide

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