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Transcribed Image Text:A 670 N student stands in the middle of a
frozen pond having a radius of 6.9 m. He is
unable to get to the other side because of a
lack of friction between his shoes and the ice.
To overcome this difficulty, he throws his 2.9
kg physics textbook horizontally toward the
north shore at a speed of 6.9 m/s.
The acceleration of gravity is 9.81 m/s².
How long does it take him to reach the
south shore?
Answer in units of s.
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