By what numerical factor does the intensity change

Assignment Help Physics
Reference no: EM13561132

At a rock concert, the engineer decides that the music isn’tloud enough. He turns up the amplifiers so that the amplitude ofthe sound where you are sitting increases by 50.0%.

a) By what numerical factor does the intensity change?
b) By how much does the sound intensity level change?

Reference no: EM13561132

Questions Cloud

Sound is generated from standing waves in two tubes : Sound is generated from standing waves in two tubes which are bothopen at both ends and are identical, apart from one tube havinglength L and the other tube being only seven eighths as long
Calculate the speed of sound in air at a temperature : Calculate the speed of sound in air at a temperature of 12.0 degrees C given that the speed of sound in air at a temperature of 0.0 degrees C is 331 m/s.
What is the frequency of brians string : A violin is tuned by adjusting the tension in the strings. OnBrian’s violin, the “A” string is tuned to aslightly lower frequency than Andrew’s, which is correctly tuned to 440.0 Hz.
Determine the dielectric constant of the material : Two parallel plates of 10-4 m2 in area aregiven equal and opposite charges of 10-7 C. The spacebetween the plates is filled with a dielectric material and the electric field within the dielectric is 3.3×10-5N/C. Determine the dielectric constant of t..
By what numerical factor does the intensity change : At a rock concert, the engineer decides that the music isn’tloud enough. He turns up the amplifiers so that the amplitude ofthe sound where you are sitting increases by 50.0%.
What is the energy now stored if capacitor was disconnected : A parallel-plate vacuum capacitor has 6.36 J of energy stored in it. The separation betweenthe plates is 2.20 mm. If the separation is decreased to1.85 mm,
Find the horizontal force exerted on the beam by the pole : A floodlight with a mass of 23 kg is used to illuminate the parking lot in front of a library. the floodlight is supported at the end of a horizontal beam that is hinged to a vertical pole, as shown. a cable that makes an angel of 19 degrees with ..
What is speed of the boat-key falls from a bridge : A key falls from a bridge that is 46 m above the water. It falls directly into a model boat, moving with constant velocity , that is 15 m from the point of impact when the key is released. What is the speed of the boat?
A bolt is dropped from a bridge under construction : A bolt is dropped from a bridge under construction, falling 67 m to the valley below the bridge. (a) In how much time does it pass through the last 22% of its fall? What is its speed (b) when it begins that last 22% of its fall and (c) when it reache..

Reviews

Write a Review

Physics Questions & Answers

  What is the current in the resistor in milliamperes?

A power supply maintains a potential difference of 81.5 V across a 1.01-k? resistor. What is the current in the resistor in milliamperes?

  What is the velocity of the cars right after the collision

In a head-on collision, a car stops in 0.29 {s} from the speed of 28 {m/s}. The driver has a mass of 78 {kg}, and is, fortunately, tightly strapped into his seat. what force is applied to driver during that fraction of a second.

  What is the mass per unit length of the rope

A light rope 5m long supports a 30kg mass against gravity. What is the mass per unit length of the rope

  Estimate the maximum speed that an astronaut can walk

Mars rotates on its axis once every 24.8 hours, its mass is 6.42×1023 kg and its radius is 3.37×106 m. Estimate the maximum speed that an astronaut can walk on the surface of Mars

  Determine the power delivered to the resistor

The output voltage of an AC generator is given by ?v = (200 V) sin (70?t). The generator is connected across a 19.0-? resistor. Find the power delivered to the resistor

  Find horizontal distance does it cover during its flight

When the dried up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 3.0 m/s at an angle of 60.0° above the horizontal. What horizontal distance does it cover during its flight

  Find the value of inductance and resistance

a 500 omh resistor and a real inductor with a pure inductance L and an internal resistance of r are in series with a generator with a voltage of V = 10.0V, What are the values of L and r

  How fast was motorist going when brakes were first applied

A motorist suddenly notices a stalled car and slams on the brakes, negatively accelerating at 6.4 . Unfortunately this isn't enough, and a collision ensues. From the damage sustained, police estimate that the car was going 18 at the time of the co..

  Discuss the flow control methods

Discuss the cause and different mechanisms available. Recognize and discuss the flow control techniques on which they are based? Determine the pros and cons of each?

  What is the rotational inertia of this rigid body

Four identical particles of mass 0.608 kg each are placed at the vertices of a 4.08 m x 4.08 m square and held there by four massless rods, What is the rotational inertia of this rigid body

  Find the surface current density

Two magnetizable materials are placed adjacent to each other. The boundary defines the j-k plane with i pointing from thematerial with μ1 to the material with μ2. Find the surface current density

  To what angle did the pendulum swing on the other side

A 10 runaway grocery cart runs into the spring with spring constant 230 and compresses it by 65. What was the speed of the cart right before it hit the spring.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd