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An organ tube is open at one end. A certain harmonic produced by the tube has a frequency of 450 Hz. The next higher harmonic has a frequency of 750 Hz. The speed of sound in air is 343 m/s. i. What is the integer n that describes the harmonic whose frequency is 450 Hz? ii. What is the length of the tube?
A Light-Dimmer Circuit The intensity of a lightbulb with a resistance of 140 Ohms is controlled by connecting it in series with an inductor whose inductance can be varied from L=0 to L=Lmax. What is the average power dissipated in the lightbulb whe..
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.502, How much force is needed to keep the book moving at constant speed once it begins moving
A helicopter is ascending vertically with a speed of 5.00m/s . At a height of 120m above the Earth, a package is dropped from a window. Evaluate how much time does it take for the package to reach the ground?
Find the surface tension force on water inside a tube and height to which the water rises in the tube.
A speed skater moving across frictionless ice at 8.80 hits a 4.20-m-wide patch of rough ice. What is her acceleration on the rough ice
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the magnitude of the acceleration of a satellite in a geosynchronous orbit
cylindrical tube oriented vertically on earths surface closed at the bottom and open at the top height 100 m cross
A projectile is fired with an initial speed of 65.2 m at an angle of 34.5? above the horizontal on a long flat firing range. find The maximum height reached by the projectile
The magnetic field of an electromagnetic wave in a vacuum is Bz=(2.5 microT)Sin(1.9*10^7 x-2(3.14)ft), where x is in m and t is in s. What is the wave's electric field amplitude
You are studying standing sound waves in an organ pipe of length L with both ends open, What is the frequency of the musical tone produced by the organ pipe in the situation described in part b
A stunt car driver negotiates the frictionless track shown in such a way that the car is barely on the track at the top of the loop. The radius of the track is 9.9 m and the mass of the car is 1800 kg. Find the force of the car on the track when the ..
question1a golf ball with an initial angle of 30deg lands exactly 214 m down range on a level course.a neglect air
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