Certain jet plane creates an intensity level

Reference no: EM13551270

Suppose a certain jet plane creates an intensity level of 115 dB at a distance of 5.94 m. What intensity level does it create on the ground directly underneath it when flying at an altitude of 2.36 km? ____dB

Reference no: EM13551270

Questions Cloud

Compute the magnitude of the maximum acceleration of glider : A 0.580kg glider on an air track is attached to the end of an ideal spring with force constant 458 N/m; it undergoes simple harmonic motion with an amplitude of 4.00×10?2 m. Compute the maximum speed of the glider. Compute the speed of the glider ..

An alpha particle is a nucleus of helium : An alpha particle is a nucleus of helium. It has twice the charge and four times the mass of the proton. When they were very far away from each other, but headed toward directly each other, a proton and an alpha particle each had an initial speed ..

A uniform meter stick is at rotational equilibrium : A uniform meter stick is at rotational equilibrium when a mass 200 g is suspended at the 5 cm mark, a mass of 150 g is suspended at the 80 cm mark and the support is placed at the 40 cm mark. What is the mass of the meter ?

Find the perpendicular distance between the axis of rotation : Suppose the meter stick made an angle of 20 with the horizontal (the 0 mark above and the 100 cm mark below the horizontal ) when in equilibrium. Find the perpendicular distance between the axis of rotation and the lines of action of W & the 100 gm m..

Certain jet plane creates an intensity level : Suppose a certain jet plane creates an intensity level of 115 dB at a distance of 5.94 m. What intensity level does it create on the ground directly underneath it when flying at an altitude of 2.36 km? ____dB

Final temperature of the system consisting of the ice-water : A 40-g block of ice is cooled to ?70°C and is then added to 590 g of water in an 80-g copper calorimeter at a temperature of 22°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter.

Rates of energy loss by bremsstrahlung to that by collision : When an electron moving through air has 5 MeV of energy, what is the ratio of the rates of energy loss by bremsstrahlung to that by collision? What is this ratio for lead?

A carnot engine operates with a cold reservoir temperature : A Carnot engine operates with a cold reservoir temperature of 194 K and has an efficiency of 74.3%. (a) What is the temperature of the hot reservoir? (b) If the engine does 8.99×10 J of net work during each cycle,

What is the change in entropy of the ice cube as it melts : An ice cube of mass 0.018 kg, at the temperature of the freezing point of water, is surrounded by water at a temperature just above the freezing point. What is the change in entropy of the ice cube as it melts? (The latent heat of fusion of water at ..

User Account

All Pages