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At a point P, the path lengths from two point sound wave sources have a difference of 1/4 l. The sound waves from the two sources are in phase when emitted. What is the phase difference between the sound waves at point P?
Your telescope has a 700mm-focal-length objective and a 26-mm-focal-length eyepeice, You position film so that it caputures the image produced by the objective lens. What is the diameter of that image
three uniform thin rods, each of length L = 39 cm, form an inverted U. The vertical rods each have a mass of 15 g; the horizontal rod has a mass of 32 g. Elucidate what are (a) the x coordinate and (b) the y coordinate of the system's center of ma..
In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.30 m, What was the direction of the mug's velocity just before it hit the floor
A wave on a string is described by the relation y = A sin(47t - 0.023x), where t is measured in seconds and x in meters, with A = 0.18 m, Find the frequency of the wave
Coherent ligh of a wavelength 500nm passes through a narrow slit. In the single-slit diffraction pattern observed on a screen that is 4.0m from the slit, what will the width of the central maximum be
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.06 X 106 V, What is the speed of the ?-particle
A 10 kg dog is standing on scale in an accelerating elevator. If the scale reads 5 kg, what is the acceleration of the elevator
In the Biomedical and Physical Sciences building at MSU there are 127 steps from the ground floor to the sixth floor. How much work did the person do
An electron starts from rest 75.5 cm from a fixed point charge with Q = -0.150 µC. How fast will the electron be moving when it is too far away.
A machine part rotates at an angular speed of 0.48 rad/s; its speed is then increased to 2.8 rad/s at the angular acceleration of 0.61 rad/s2.
A double-slit experiment using light of wavelength 580.nm produces an interference pattern on a screen. The slit separation is 1.39?10?2mm. find the distance between the slits and the screen
A certain toaster has a heating element made of Nichrome resistance wire, What is the final temperature of the heating element
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