How much upward force does support exert on the beam
A 3.0-m-long rigid beam with a mass 150 {rm kg} is supported at each end. An 70 {rm kg} student stands 2.0 {rm m} from support 1. How much upward force does support 1 exert on the beam?
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When rearranging a dorm room, a student does 292 J of work in moving a desk in moving a desk 3.2 m. What was the magnitude of the applied horizontal force
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Infant Marisa cries and throws tantrums when she doesn't get her way. Moreover, she becomes very upset when her parents attempt to change her diaper. With regard to temperament, Marisa is BEST classified as?
A volume of 60.0mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 24.7mL of 1.50 M H2SO4 was needed?
Calculate the energy lost by photons Compton scattered at 45°, 90° and 135° for incident photons of energies 50 keV and 100 keV.
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A professor's office door is 0.85 wide, 2.0 high, and 4.0 thick; has a mass of 25 ; and pivots on frictionless hinges. A "door closer" is attached to the door and the top of the door frame.
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