The 70-kg boy slides down the smooth water slide. If he starts from rest at A,...

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The 70-kg boy slides down the smooth water slide. If he starts from rest at A, determine his speed when he reaches B and the normal reaction the slide exerts on the boy at this point. Y= 0.075x2 7.5m B 10m The 70-kg boy slides down the smooth water slide. If he starts from rest at A, determine his speed when he reaches B and the normal reaction the slide exerts on the boy at this point. Y= 0.075x2 7.5m B 10m