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A diffraction grating that contains 650472 lines/m is illuminated by monochromatic light (λ=632.8 nm) from a helium-neon laser directed perpendicular to the surface of the grating. What is the angle for the second order maxima to occur?
The forcer a wire is a maximum of 8 50 x 10-2 N when graced between the pole faces of a magnet. What type of magnetic pole is the top pole face
What is the magnitude of the electric field 19.7 cm directly above an isolated 3.25×10^?5 C charge? What is the direction of the electric field? Downward or upward?
A regulation table tennis ball has a mass of 2.7g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center?
A man of mass 73.9 kg and density 970 kg/m3 stands in a shallow pool with 33.5 % of the volume of his body below water
The heating element of a clothes dryer has a resistance of 11 ? and is connected across a 240-V electrical outlet. What is the current in the heating element
Consider 1 mol an ideal gas at 30oC and 1.04 atm pressure. To get some idea how close these molecules are to each other, on the average, What is the length of an edge of each cube
In the figure below, two particles are launched from the origin of the coordinate system at time t = 0. Particle 1 of mass m1 = 5.00 g is shot directly along an x axis (on a frictionless floor), where it moves with a constant speed of 13.0 m/s. Pa..
An archer shoots an arrow horizontally at a target 17m away. The arrow is aimed straight at the center of the target, but it hits 59cm lower.
Three equal positive point charges of magnitude Q = 5.00? C are located at three corners of a square of edge length d = 7.5 cm. What is the magnitude of the attractive force on the negative charge
A particle lives for a little time before breaking apart into other particles. According to this hypothetical man, find how far does the laboratory move before the particle breaks apart
Why did ancient peoples carefully observe the night sky and is this knowledge still important today? Provide three examples:
pipe open at one end only has a fundamental frequency of 237 Hz. A second pipe, initially identical to the first pipe, is shortened by cutting off a portion of the open end. Currently, when both pipes vibrate at their fundamental frequencies, a beat ..
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