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Suppose white light falls on two slits separated by a shortdistance. One slit is covered by a red filter (700 nm) andthe other by a blue (450 nm) filter. Describe the pattern on the screen.
A pilot takes off from a city in Northern California and aims her airplane due North toward Seattle with a speed 240 km/h relative to the air. What is the magnitude of the airplane's velocity relative to the Earth
A skater holds her arms outstretched as she spins at 150 rpm. What is the speed of her hands if they are 145 cm apart
The block of mass M slides back along the horizontal surface with a coefficient of kinetic friction mk and eventually comes to a rest. In terms of v4, how far does the block slide during this final leg of its journey
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.19 m. find the magnitude of the initial acceleration of the third sphere
A power supply that provides a voltage of 42.0 V·sin(362·t), where t is in seconds, is connected across a resistor R = 119 ?. Calculate the average power dissipated in the resistor
Consider a violin string with a vibrating length of 30 cm. If the speed of a wave on this string is 250 m/s, what is the tension in the string? Hint: You will have to estimate the diameter of the string. Assume the density is the same as that of s..
A bag of cement of weight 325 N hangs from three wires, find the tensions in the wires
Four objects are situated along the y axis as follows: a 2.04 kg object is at +2.94 m, a 3.03 kg object is at +2.59 m, Where is the center of mass of these objects
At a rock concert a dB meter registers 115 dB at a distance of 1.50 m from the stage, how far from the stage would you need to be to hear the concert at 90 dB
Two converging lenses having focal lengths of f1 = 11.1 cm and f2 = 20.0 cm are placed d = 50.0 cm apart, The final image is to be located between the lenses, at the position x = 28.3 cm.
What is the total negative charge, in Coulombs, of all the electrons in a small 0.750 g sphere of carbon
A 31.0 kg child runs with a speed of 3.00 m/s tangential to the rim of a stationary merry-go-round. Calculate the initial kinetic energy of the system
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