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A pair of speakers connected to the same sound system face each other, one at x = 0 and the other at x = 4.40 m. If they are playing a sound with frequency 369 Hz, what are the first three points of constructive interference between the two speakers starting from x = 0? (Take the speed of sound as 343 m/s.)
A +30 µC charge is placed 40 cm from an identical +30µC charge. How much work would be required to move a +0.41µC test charge from a point midway between them to a point 5cm closer to either of the charges?
A miniature 200 g monkey skis 150 m down a 25 degree inline on a 400 g sled. Use energy methods to find the final speed of the monkey
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.350mm wide. The diffraction pattern is observed on a screen 3m away.
if the cd rotates clockwise lets take clockwise rotation as positive at 500 revolutions per minute while the last song
a wheel of radius 0.2 m and moment of inertia 0.05 kgmcirc2 is mounted on a horizontal frictionless axle. a massless
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest. find the average induced emf in the coil during this time interval
Oily n =1.38 finger.prints on a glass plate n = 1.52 preferentially reflect light with a frequency of 550 mm. What is the thickness of the finger print
a parallel-plate capacitor has plates separated by 0.76 mmpart a if the electric field between the plates has a
Using Newtons law of gravitational force Find the magnitude of the gravitational exerted by one mass on the other
A 2.00-kg object moves with constant velocity 3.00 m/s toward the east. Two forces act on the object. The first is a 40.0 N force toward the west. What is the second force that acts on the object
What is the speed of the center of mass
When t = 0 s, a flower pot on a window sill drops from rest to the sidewalk some 32.0 m below, How long was the pot in flight
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