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Tarzan swings on a 28.0-m-long vine initially inclined at an angle of 37.0° with the vertical.
(a) What is his speed at the bottom of the swing if he starts from rest?
m/s
(b) What is his speed at the bottom of the swing if he pushes off with a speed of 3.00 m/s?
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The average density of the planet Venus is 5219 kg/m3. The acceleration of gravity on its surface is 8.84 m/s2. Calculate the average radius of Venus
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