What is the sound intensity level right in front of trumpet

Assignment Help Physics
Reference no: EM13339242

When playing fortissimo (very loudly), a trumpet emits sound energy at a rate of 0.750 W out of a bell (opening) of diameter 13.2 cm.

(a) What is the sound intensity level right in front of the trumpet?

dB

(b) If the trumpet radiates sound waves uniformly in all directions, what is the sound intensity level at a distance of 10.0 m?

dB

Reference no: EM13339242

Questions Cloud

Compute the friction torque : An experimental bicycle wheel is placed on a test stand so that it is free to turn on its axle. If a constant net torque of 5.00 N · m is applied to the tire for 3.00 s, Compute the friction torque
What is the radius of the particles circular orbit in field : a)What is its velocity b)The charged ion then enters a magnetic field, B = 0.20 T, perpendicular to the field. What is the radius of the particle's circular orbit in the field
Write a single statement that prints a number : Write a single statement (in C++ language) that prints a number at random from each of the following set.
Define a function hypotenuse that calculates the hypotenuse : Define a function hypotenuse that calculates the hypotenuse of a right triangle when the other two sides are given. The function should take two arguments and return the hypotenuse as a double.
What is the sound intensity level right in front of trumpet : When playing fortissimo (very loudly), a trumpet emits sound energy at a rate of 0.750 W out of a bell (opening) of diameter 13.2 cm. What is the sound intensity level right in front of the trumpet
Find the radius of planet x in terms of that of earth : The period of a pendulum is 0.215 s on Earth. The period of the same pendulum is found to be 0.467 s on planet X, whose mass is equal to that of Earth.
Which subsidiary is the best candidate for expansion : Jackie Chin Waste Management has a subsidiary that disposes of hazardous waste and a subsidiary that collects and disposes of residential garbage
Write a function integerpower : Write a function integerPower(base, exponent) that returns the value of base^exponent. For example, integerPower(3, 4) = 3* 3 * 3* 3. Do not use any math library functions.
Estimate fraction of total emission from incandesent light : The filament of an incandescent light bulb typically has a temp of 2,850K. Find lamda max. Is this the wavelength within the visible band? Plot B lamda for this temp, using linear axes.

Reviews

Write a Review

Physics Questions & Answers

  How far would it have travelled in a vacuum

A flat sheet of crystalline quartz has a thickness of 1.6 cm. It is on top of the flat sheet of diamond that has a thickness of 2.10 cm. Light strikes the crystalline quartz perpendicularly and travels through it and then throughout the diamond.

  What are the magnitude and direction of the electric field

A foam ball of mass 0.150 g carries a charge of -2.00 nC. The ball is placed inside a uniform electric field, What are the magnitude and direction of the electric field

  Find the capacitance before the slab is inserted

A parallel-plate capacitor has plates of area 177.0 cm2 and a separation of 1.85 cm. Find the capacitance before the slab is inserted

  Obtain how much charged has flowed during lightning bolt

In a lightning bolt, a large amount of charge flows during a time of 2.9 x 10-3 s. Assume that the bolt can be represented as a long, How much charged has flowed during the lightning bolt?

  Define the phase difference between the two waves

At t = 0 a grinding wheel has an angular velocity of 27.0 rad/s. It has a constant angular acceleration of 32.0 rad/s2 until a circuit breaker trips at t = 2s. From then on, it turns by 432 rad as it coasts to a stop at constant angular accelerati..

  Calculate the centripetal acceleration of the child

A child sitting 1.06 m from the center of a merry-go-round moves with a speed of 1.35 m/s. Calculate the centripetal acceleration of the child

  With what speed is the kereru travelling after the collision

a kereru new zealand wood pigeon travelling at 1.5 m/s due west has an elastic collision with an airbus a380 aeroplane. with what speed is the kereru travelling after the collision?

  At what maximum speed can the sports car negotiate the curve

A sport utility vehicle (SUV) and a sports car travel around the same horizontal curve. The SUV has a static stability factor of 0.74, At what maximum speed can the sports car negotiate the curve without rolling over

  Determine the final temperature of the heating element

A certain toaster has a heating element made of Nichrome resistance wire. What is the final temperature of the heating element

  Calculate the muzzle velocity necessary to hit a pirate ship

While on a vacation to Kenya, you visit the port city of Mombassa on the Indian Ocean. Calculate the muzzle velocity necessary to hit a pirate ship 300 meters from the base of the fort

  At what angle does the light reaching the edge of the pool

At t=0 a grinding wheel has an angular velocity of 25 rad/s. It has a constant angular acceleration of 35.0 rad/s^2 until a circuit breaker trips at time t = 2.10 s. From then on, it turns by an angle 431 rad as it coasts to a stop at constant ang..

  Determine the angle of the velocity vector of the package

An airplane with a speed of 87.7 m/s is climbing upward at an angle of 35.1 ° with respect to the horizontal. When the plane's altitude is 533 m, the pilot releases a package.

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