A source emits sound uniformly in all directions

Reference no: EM13558195

A source emits sound uniformly in all directions. A radial line isdrawn from this source. On this line, determine the radialpositions of two points, 1.28 m apart, such that the intensitylevel at one point is 2.46 dB greater than that at the other. (a) What is the smaller radial position (in m)?(b) What is the larger radial position (in m

Reference no: EM13558195

Questions Cloud

The total equivalent resistance between the terminals : A 5.0 ? resistor is connected in series with a 10.0 ?resistor. This combination is then connected in parallel witha 7.5 ? resistor. The three resistor network is then connectedin series with a 15 ? resistor.

How many lights can turned on before circuit breaker trips : One of the 120V circuits in your house is protected by a 30Acircuit breaker. This circuit contains a 1200W toaster, an1800W electric skillet, and several 75W lamps. When the toaster and the skillet are both on, how many lights can be turned on be..

What is the average voltage-what is the rms voltage : An AC generator produces a sinusoidal voltage at 60 Hz with amaximum of 120 V. What is the average voltage? What is the rms voltage?

Electric force on dust particle-equal to weight of particle : A small piece of dust ofmass m = 4.7 µg travels through an electric aircleaner in which the electric field is 527 N/C. The electric force on the dust particle is equal to the weight of the particle. What is the charge on the dust particle?

A source emits sound uniformly in all directions : A source emits sound uniformly in all directions. A radial line isdrawn from this source. On this line, determine the radialpositions of two points, 1.28 m apart, such that the intensitylevel at one point is 2.46 dB greater than that at the other.

A spider hangs from a strand of silk whose radius : A spider hangs from a strand of silk whose radius is5.8x10-6 m. The density of the silk is 1100kg/m3. When the spider moves, waves travel along the strand of silk at a speed of 310 m/s. Determine the mass of the spider.

What is the emf of the battery : When a light bulb is connected across the terminals of a battery, the battery delivers 20 W ofpower to the bulb. A voltage of 12.8 Vexists between the terminals of the battery, which has an internalresistance of 0.14 Ω. What is the emf of the battery..

The bremsstrahlung x-ray spectrum of both moand w cut off : The bremsstrahlung x-ray spectrum of both Moand W cut off (have zero intensity) at about 0.035 nm. X rays with this wavelength are produced by the target element when bombarding electrons are promptly stopped in a single collision and give up all ..

A car-moving along a straight stretch of high-way : A car, moving along a straight stretch of high-way, begins toaccelerate at 0.0345 m/s2. It takes the car 70.9 s to cover 1 km.How fast was the car going when it first began to accelerate?

User Account

All Pages