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These two waves travel along the same string: y1 = (4.17 mm) sin (2.24?x - 300?t), y2 = (5.96 mm) sin(2.24?x - 300?t + 0.727?rad). What are (a) the amplitude and (b) the phase angle (relative to wave 1) of the resultant wave? (c) If a third wave of amplitude 5.20 mm is too to be sent along the string in the same direction as the first two waves, what must be its phase angle in order to maximize the amplitude of the new resultant wave?
A 60.0g ice cube can slide without friction up and down a 33.0 slope. what distance will it travel up the slope before reversing direction
A 1.0-cm-tall object is 7.5 cm in front of a diverging lens that has a 10 cm focal length. Determine the image height by making measurements on your diagram
how do the phase angle and current change as the resistance changes in a circuit where the frequency stays constant?
The fastest martial arts punch is 43.3 mph (69.6 km/h) and was achieved by John Ozuna (United States), How much force was generated by his punch
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.20 10-10 T. How much energy does this wave carry through the window
a billiard ball ,moving at 75cm/s hits an identical ball initially at rest and glances off at 75degrees to the original direction with a speed of 30 cm/s
needing help the secretary of the united states department of agriculture asked your teacher if a chicken-and-a-half
Springs, having stiffness k, 2k, 4k, 8k, 16k, and so on are tied in series. Find the effective stiffness of the system.
What is the radiation pressure (force/area) of a laser pointer on a heavy, highly absorbing surface? Assume that the laser has an output power of 1mW, a wavelength of 600nm, and a beam radi- us of 1mm. To do this problem, first compute the number ..
A 1210-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end.
A 500 g block slides along a frictionless surface at a speed of 0.35m/s .it runs into a horizontal mass less spring with spring constant 50N/m that extends outward from a wall.
hen there's no torque applied, it slows down from 1800 rpm to rest in 57.0 s. Now we want to make it come to rest from 1200 rpm in 4.00 s by applying a constant torque on it. What is the minimum torque applied
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