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The mass of the sun is 1.99ร1030kg and its distance to the earth is 1.50ร1011m. what is the gravitational force of the sun on the earth?
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Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
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Which statement best describes perigee? a) the closest point in earth's orbit of the sun. b) the fa...
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