Physics, 18.03.2021 02:10 Ryleetarver
What happens to the force of gravity between two planets if their masses are both doubled and the distance between them remains the same?
doubles
quadruples
stays the same
decreases to ¼ its original value
Answers: 2
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The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m
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When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.
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Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
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Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
Answers: 2
What happens to the force of gravity between two planets if their masses are both doubled and the di...
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