Compare the energy consumption of two commonly used items in the household. calculate the energy used by a 1.40 kw toaster oven, wtoaster , which is used for 6.00 minutes, and then calculate the amount of energy that an 11.0 w compact fluorescent light (cfl) bulb, wlight , uses when left on for 9.00 hours .
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Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.
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What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
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Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.
Answers: 2
Compare the energy consumption of two commonly used items in the household. calculate the energy use...
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