Physics Exams quiz
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Sample questions
- A sphere starts from rest atop a hill with a constant angle of inclination and is allowed to roll without slipping down the hill. What force provides the torque that causes the sphere to rotate?
- Which of the following is not one of nor follows directly from Kepler's laws?
- A parallel beam of light of radiant energy density 6.4 × 10^4 J/m^3 is incident on a plane mirror. What is a) the momentum acting upon the mirror and b) the force exerted upon it during 5 seconds illumination?
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