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A 2.4 kg block rests on a frictionless wedge that has an inclination of 40 and an acceleration to the left such that the block remains stationary relative to the wedge; i.e., the block does not slide up or down the wedge.
The acceleration of gravity is 9.81 m/s2 . Find the magnitude of the acceleration of the block-wedge system.
q1. black holes are suspected while a visible star is being noticeably pulled by an invisible partner that is more
How would you calculatethe magnitude of the electric force of an electron at a distance of4.5 x10-10 m from a nucleus? (Ialready have the magnitude of a proton's electric field as6.40e+11 N/C , given that the proton has a charge of 1.44E-17C.)
A "110-watt" lightbulb uses an average power of 110 W when connected to an rms voltage of 120 V. What is the resistance of the lightbulb? What is the maximum current in the bulb? What is the maximum power used by the bulb at any given instant of t..
consider a circuit consisting of a battery of voltage v and a parallel plate capacitor of capacitance of c0. if a
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A horizontal 810-N merry-go-round of radius 1.30 m is started from rest by a constant horizontal force of 45 N applied tangentially to the merry-go-round
When the pressure applied to an unknown liquid is increased from 1.0x10^7 N/m^2 to 5.5x10^7 N/m^2, Calculate the bulk modulus of the liquid
A 2.8-kg piece of aluminum at 28.5 degrees celsius is placed in 1.0 kg of water in a Styrofoam container at room temperature (20 degrees celsius)
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