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Problem: A tuning fork of unknown frequency makes 6 beats per second with a standard fork of frequency 431 Hz. The beat frequency decreases when a small piece of wax is put on a prong of the first fork.
Part A: What is the frequency of this fork?
If possible just a brief explanation how you got the answer for above problem?
A diffraction pattern forms when light passes during a single slit. The wavelength of the light is 686 nm. Decide the angle that locates the first dark fringe when the width of the slit is (a) 1.7 x 10-4 m and (b) 1.7 x 10-6 m.
A rope attached to a 20 kilogram wood sled pulls the sled up a 20 degree snow covered hill. A 10 kilogram wood box rides on top of the sled. determine at what value of the tension does the box slip
A highway curve with radius 1000{\rm ft} is to be banked so that a car traveling 48.0{\rm mph} will not skid sideways even in the absence of friction
A vertical steel beam in a building supports a load of 6.4 x 104 Newton. Find what maximum load could the steel beam support before falling
The overhead projector used in our lectures form (approximately) 2m-tall images of transparencies that are 30 cm tall. The screen is approximately 3m from the projector.Using these numbers, what must the focal length of the projector lens , in cm?
a glass windowpane in a home is 0.62 cm thick and has dimensions of 0.8 m 2.0 m. on a certain day the indoor
Consider a visual binary star system with a period of 55.41 years. Its measured trigonometric parallax is 0.4217'' and, assuming that the plane of the orbit is in the plane of the sky, the true angular extent of the semi-major axis is 6.69''.
What is the largest index of refraction that the liquid can have, such that none of the light is transmitted into the liquid and all of it is reflected back into the solid
A rifle is meant horizontally at a target 47 m away. The bullet hits the target 2.5 cm below the aim point. What was the bullet's flight time? What was the bullet's speed as it left the barrel?
A boy stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions. Obtain the total sound intensity that the boy hears
A cube of ice is taken from the freezer at -8.50C and placed in a 95-g aluminum calorimeter filled with 310 g of water at room temperature of 200C. Find the mass of the ice cube
A block weighs 2000 Newton. If a horizontal force of 100 N is required to keep it in motion with a constant velocity on a horizontal surface, define what is the coefficient of friction
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