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1. Why does the stroboscope appear to make the vibration stop at certain frequencies? Why does it appear to be two strings at 240 Hz and three strings at 360 Hz?
2. As mass is added to the mass holder an elogation or stretching of the string itself may occur. How does this affect the results of the experiment?
3. If you were to use a string which had 4 times the mass of the string used in the experiment, how much tension would have to be applied in order for it to have a standing wave of 3 1/2 wavelengths long? Use values for other parameters from your data.
In Young's double slit experiment, 422 nm light gives a third-order bright fringe at a certain location on a flat screen. What is the longest wavelength of visible light
question a balloon is directly west of two observing stations 10 km apart. the angles of elevation of the balloon from
Suppose the same masses are used for a force table experiment as were used in Part 1, but each pulley is moved 180° so that the 0.100 kg mass acts at 200°, and the 0.200 kg mass acts at 270°. What is the magnitude of the resultant in this case
Two small nonconducting spheres have a total charge of 93.1 ?C. When placed 1.01 m apart, the force each exerts on the other is 11.5 N and is attractive. What is the charge on each?
a .75 kg mass moving with a speed of 5.0 ms encounters a .25 kg mass moving in the opposite direction with speed 5.0
A house painter stands 3 m above the ground on a 4.9-m-long ladder that leans against the wall at a point 4.7 m above the ground. find the force of friction that the driveway exerts on the bottom of the ladder
A diffraction grating is made up of slits of width 290 nm with separation 910 nm. How many maxima are there in the full diffraction pattern
q1. a cube of ice is taken from the freezer at -8.7degc and placed in a 97 g aluminium calorimeter filled with 351 g of
Calculate the thickness of the layer between the 1000- and 500mb pressure surfaces (a) at a point in the tropics where the mean virtual temp of the layer is 9C and (b) at a point in the polar regions
High speed stroboscopic photographs show that the head of a 198 g golf club is traveling at 56.6 m/s just before it strikes a 45.0 g golf ball at rest on a tee. Find the speed of the golf ball just after impact
calculate the mass and density of methane gas contained at 1000 psia and 68 degrees Farenheit in a cylinder with volume 3.20 cu ft
A 40 kg skateboarder (Ms) on a 3 kg board (Mb) is training with two 5 kg weights (Mw). How fast is he propelled in the opposite direction after the weights are thrown
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