Question 4.10

Q 4.10: A child starts from the rest at the top of a slide of height 4m.
(a) What is his speed at the bottom if the slide is friction less?
(b) If he reaches the bottom, with a speed of 6 m/s. What percentage of his total energy at the top of the slide is lost as a result of friction?
chapter-four-question-10


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