A young girl wishes to select on of the frictionless playgro…
A young girl wishes to select on of the frictionless playground slides illustrated below to give her the greatest possible speed when she reaches the bottom of the slide. Which of the slides illustrated in the diagram above should she choose?
Read DetailsA 0.5-kg ball is moving in a circular path at the end of a s…
A 0.5-kg ball is moving in a circular path at the end of a string with a constant speed of 3 m/s. The length of the string is 1 m. What is the magnitude of the centripetal force exerted by the string on the ball to produce this motion?
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