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A transverse wave on a string is described by the wave function y = A0sin(kx + ωt) where A0 = 0.425m, k = 0.895rad/m, and ω = 6.33rad/s. Calculate (a) the transverse speed and (b) the transverse acceleration of the element at x = 0.737m when t = 2.03s.
An astronomical telescope uses an eyepiece of power +80.000 D. what is the magnification of the telescope
When two identical ions are separated by a distance of 8.6×10?10 m, How many electrons are missing from each ion
A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37 degrees above the horizontal. If the mass of the box and the books is 40 kg, what is the normal force on box? a. 332 N b. 312 N c. 392 N d. 292 N
An 88 g arrow is fired from a bow whose string exerts the average force of 110 N on the arrow over a distance of 78.00 cm. What is the speed of the arrow as it leaves the bow.
A uniform 1.6-kg rod that is 0.91 m long is suspended at rest from the ceiling by two springs, one at each end. Find the angle that the rod makes with the horizontal
In a photoelectric effect experiment, visible radiation of energy 2.91 eV is incident upon a metal of work function 1.66 eV. find the maximum kinetic energy of the ejected photoelectrons
A plastic sheet of thickness 250 nm appears to be green in the figure below (?green=500nm), What is the plastic's index of refraction
Calculate the maximum value of resistance that can be obtained by combining resistors of 34 Ohms , Calculate the minimum value of resistance
A bat emits a sound whose frequency is 91.20 kHz. The speed of sound in air at 20 degrees Celcius is 343m/s. However the air temperature is 38.8 degrees Celcius, so the speed of sound is not 343m/s. imagine that air behaves like an ideal gas, and ..
The centripetal and tangential accelerations are equal
Determine the heat transfer and work for each of the processes. What is the internal energy change for Process 1-2? What is the internal energy change for Process 2-3? (There is an answer posted for the same question, but the answer does not appea..
An electron is accelerated by a constant electric field of magnitude 290 N/C. (a) Find the acceleration of the electron.
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