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Tarzan swings on a 31.0 m long vine initially inclined at an angle of 34.0° 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 4.00 m/s?
The intensity of sunlight hitting the Earth is about 1300 W/m^2. How much pressure (per square meter) does it exert
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