A ships horn can be heard above typical background noise if, Physics

+44 141 628 6080
[email protected]

A ships horn can be heard above typical background noise if

a ship's horn can be heard above typical background noise if at intensity level 20 dB.

a) what must be the power of the horn's output to achive this level at 5.0 km away?

b) how many identical ship horns would be needed to raise the level to 30 dB at 5.0 km?

Request for Solution File

Ask an Expert for Answer!!

Physics: A ships horn can be heard above typical background noise if

Reference No:- TGS0644265

Expected delivery within 24 Hours

Have a Question? (oR Write a Review)

Write atleast 100 words!!

Recent Questions Asked Physics

Q : Determine if a simple supported w 12x26 a36 steel beam has

Determine if a simple supported W 12x26 (A36 steel) beam has the capacity to support loads that produce 50 kips of live-load shear and 20 kips of dead-load shera.

Q : A physics instrustor shakes a 20 m long alumium rod to

a physics instrustor shakes a 2.0 m long alumium rod to create the pattern, find is this a transverse wave or a longtudinal wave

Q : A power plant operates a regenerative rankine cycle with a

A power plant operates a regenerative Rankine cycle with a reheat, one closed and one open feedwater heater and has a net power output of 1.2 x 109 Btu/hr. When the steam exits the boiler it's temperature is 1000°F and its pressure is 1400

Q : Working capital is expected to increase by 5000 at the

Working capital is expected to increase by $5,000 at the inception of the project, but this amount will be recaptured at the end of year five. What is the incremental free cash flow for year one?

Q : A ships horn can be heard above typical background noise if

a ship's horn can be heard above typical background noise if at intensity level 20 dB. what must be the power of the horn's output to achive this level at 5.0 km away

Q : A magnetic separator processes 500 kghr of finely ground

A magnetic separator processes 500 kg/hr of finely ground magnetite ore (Fe3O4). The ore containes 35% magnetite and an analysis of the concentrate and tailings shows that they contain 59.5% Fe and 3.8% Fe

Q : Blue stripes co is comparing two different capital

Blue Stripes Co. is comparing two different capital structures. Plan I would result in 9,000 shares of stock and $342,000 in debt. Plan II would result in 12,600 shares of stock and $205,200 in debt. The interest rate on the debt is 10 percent.

Q : A student throws a rock with speed 200 ms at 30 degrees off

a student throws a rock with speed 20.0 m/s at 30 degrees off the edge of a cliff. how far horizontally off the edge does it hit the water

Q : A two stage crushing operation feeds 06 m diameter ore into

A two stage crushing operation feeds 0.6 m diameter ore into a primary crusher at a rate of 25mt/hr. 80% of the ore feeds through an 0.2m screen into a secondary crusher. 65% of the ore from the secondary crusher comes out of a 50mm screen.

1952876

Questions
Asked

3,689

Active Tutors

1425909

Questions
Answered

Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!

ask Question

Request for Solution File

Ask an Expert for Answer!!

Physics: A ships horn can be heard above typical background noise if

Reference No:- TGS0644265

Have a Question? (oR Write a Review)

Recent Questions Asked Physics

Q : Determine if a simple supported w 12x26 a36 steel beam has

Q : A physics instrustor shakes a 20 m long alumium rod to

Q : A power plant operates a regenerative rankine cycle with a

Q : Working capital is expected to increase by 5000 at the

Q : A ships horn can be heard above typical background noise if

Q : A magnetic separator processes 500 kghr of finely ground

Q : Blue stripes co is comparing two different capital

Q : A student throws a rock with speed 200 ms at 30 degrees off

Q : A two stage crushing operation feeds 06 m diameter ore into

Politicians may use sports in which of the ways

Development of psychology from its philosophical roots

Sexual strategies theory differential parental investment

Child with slow-growing tumor in brain left hemisphere

What factors are important for getting into graduate school

Structural variables that affect the quality of programs

What diagnosis should a therapist give her

Request for Solution File

Ask an Expert for Answer!!

Physics: A ships horn can be heard above typical background noise if

Reference No:- TGS0644265

Recent Questions Asked Physics

Q : Determine if a simple supported w 12x26 a36 steel beam has

Q : A physics instrustor shakes a 20 m long alumium rod to

Q : A power plant operates a regenerative rankine cycle with a

Q : Working capital is expected to increase by 5000 at the

Q : A ships horn can be heard above typical background noise if

Q : A magnetic separator processes 500 kghr of finely ground

Q : Blue stripes co is comparing two different capital

Q : A student throws a rock with speed 200 ms at 30 degrees off

Q : A two stage crushing operation feeds 06 m diameter ore into

Asked Questions