In a carnival game, the player throws a ball at a haystack. For a typical throw, the
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In a carnival game, the player throws a ball at a haystack. For a typical throw, the ball leaves the hay with a speed exactly one-half of the entry speed.
(a) If the frictional force exerted by the hay is a constant \(6.0 \mathrm{~N}\) and the haystack is \(1.2 \mathrm{~m}\) thick, derive an expression for the typical entry speed as a function of the inertia of the ball. Assume horizontal motion only, and ignore any effects due to gravity.
(b) What is the typical entry speed if the ball has an inertia of \(0.50 \mathrm{~kg}\) ?
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