A plastic beach ball has radius 20.0 cm and mass 0.10 kg, not including the air inside.
Question:
(a) What is the weight of the beach ball including the air inside? Assume the air density is 1.3 kg/m 3 both inside and outside.
(b) What is the buoyant force on the beach ball in air? The thickness of the plastic is about 2 mm-negligible compared to the radius of the ball.
(c) The ball is thrown straight up in the air. At the top of its trajectory, what is its acceleration? [When v = 0, there is no drag force.]
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a Use Eq 92 Find the weight of the beach ball b The buoyant force is equal to ...View the full answer
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Related Book For 
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
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