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Two vectors, r and s lie in the xy plane. Their magnitudes are 4.57 and 6.73 units, respectively, and their directions are 327 and 36, respectively, as measured counterclockwise from the positive x axis What are the values of (a) r.s and (b) vertical line |r*s| ?
At a constant speed of 55 km/h , an automobile travels 600m along a straight highway that is inclined 5.0 degrees to the horizontal. What is the cars vertical velocity magnitude
suppose you wish to improve the efficiency of a carnot engine. compare the improvement to be realized via each of the
A Sodium surface, which has a work function ? of 2.46 eV is illuminated with ? = 300nm light. Find the threshold frequency for Sodium
you push a box along the floor against a constant force of friction. when you push with a horizontal force of 76.5 n
An organ pipe is open at one end and closed at the other. The pipe is 1.5 m long. Assume the speed of sound in the pipe is 340 m/s. The lowest harmonic frequency for this pipe is ________Hz.
Yellow light from a sodium lamp (lambda=589 nm) traverses a tank of glycerine (n=1.47) which is 20 m long and time t 1. If it takes time t 2 to pass during the same tank when filled with carbon disulfide (n=1.63), find the difference among the t..
an electron is a subatomic particle m 9.11x10-31 kg that is subject to electric forces. an electron moving in the x
A series RCL circuit contains a 30-mH inductor, 1.20-?F capacitor, and 150-? resistor. The rms voltage of the generator is 40.0 V and the generator has a frequency of 500 Hz. Determine the rms current in the circuit.
Two concentric conducting spherical shells produce a radially outward electric field of magnitude 49,000 N/C at a point 4.10 m from the center of the shells. find the amount of charge on the outer surface of the larger shell
A high diver leaves the end of a 5.0 m high diving board and strikes the water 1.4 s later, 2.6 m beyond the end of the board. determine the maximum height (in meters) above the water reached
Light from a helium-neon laser (633nm) illuminates a circular aperture. Determine what is the aperture's diameter
A small blob of putty of mass m = 80.0 gram falls from the ceiling and lands on the outer rim of a turntable of radius R =15.0 centimeter, Compute what is the post collision angular speed of the turntable-putty system
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