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Question: Two speakers, such as those shown in Fig., are separated by a distance d = 1m and emit sound waves of frequency 1kHz. Calculate the smallest three angles θ for (a) constructive and (b) destructive interference. If D = 30m, at what locations y should observers stand in order to observe constructive interference?
Fig. - Geometry of the two speaker interference experiment; the origin of the x-y coordinate system is at the midpoint of the line AE connecting the two speakers.
A 5.00 gram object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 gram object that is initially at rest. Determine the percentage of the initial kinetic energy transferred to the 10.0 gram object
A 1800 kg car traveling north (+) at 70 km/h collides at an intersection with a 2000 kg car traveling west (-) at 64 km/h. What is the total momentum of the system before the collision
An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.30 m/son a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 37.0 m/s and passes during the target, which is stopped with the impact. Wh..
assume all temperatures to be exact and neglect significant figures for small changes in dimension. on a warm day 88 f
a charge of -4.0 nc is at the origin and a second charge of 11.0 nc is at x 5.00 m. find the magnitude and direction
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A parallel-plate capacitor has circular plates of 6.80 cm radius and 1.40 mm separation. Calculate the capacitance. What charge will appear on the plates if a potential differenceof 108 V is applied?
The text of the question is as follows "Anengine flywheel is rotating at 25.0 Rads per second. calculate the number of revolutions made by the fly wheel in stopping
You wish to launch a satellite that will remain above the same spot on earth's surface. calculate the radius of the circular orbit this satellite must have
A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the fourth and fifth second of its flight
a ball rolling down an incline travels 6.0 cm in the first 0.25 seconds and 24 cm in the first 0.50 seconds. what the
You are trying out for the position of place-kicker on a professional football team. By how much is it under or over the bar
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