0
The sound pressure decreases with distance r in a free field (direct field).
The next question is. How does the sound decrease with increasing distance? After which law?
The sound pressure p diminishes with distance after the 1/r law. Sound pressure decreases inversely as the distance increases with 1/r from the sound source. The Sound pressure level (SPL) decreases by (−)6 dB per doubling of distance from the source to 1/2 (50 %) of the sound pressure initial value.
Sometimes it is said, that the sound decreases with with 1/r², the inverse square law. That is really wrong.
Equations: p2 / p1 = r1 / r2 and p2 = p1 x r1 / r2 or r2 = r1 x p1 / p2
p1 = sound pressure 1 at reference distance r1 from the sound source.
p2 = sound pressure 2 at another distance r2 from the sound source.
Scroll down to related links and look at "How does the sound or the noise decrease with distance?"
What else can I help you with?
How far can you travel at 45 mph?
Speed = distance/timeYou have been given the speed and time. You need to find distance. In order to determine the distance, you must rearrange the equation for speed by multiplying both sides of the equation by time, isolating distance. Then plug in your known values and solve for distance.Speed x time = distance47mph x 1/2h = 23.5 mi
What is force times distance divided by time?
Force times distance divided by time is equal to power. Power is the rate at which work is done or energy is transferred per unit of time. It is measured in watts (W) in the International System of Units (SI).
What equation do you use for Darren can be at work in 30 minutes. The speed limit is 35 mph with three stop lights. Therefore due to traffic he can only average 30 mph. How far is he from work?
To find the distance he is from work, we can use the formula: distance = speed x time. If he is averaging 30 mph for 30 minutes (0.5 hours), the distance he is from work would be 15 miles (30 mph x 0.5 hours).
A 2.5g bullet traveling at 350ms hits a tree and slows uniformly to a stop while penetrating a distance of 12cm into the tree's trunk What force was exerted on the bullet in bringing it to rest?
The force exerted on the bullet can be calculated using the equation for force: force = mass x acceleration. First, calculate the acceleration of the bullet as it comes to a stop using the equation of motion: v^2 = u^2 + 2as, where v is the final velocity (0 m/s), u is the initial velocity (350 m/s), a is the acceleration, and s is the distance travelled (0.12 m). Once you find the acceleration, you can plug it back into the force equation along with the mass of the bullet (2.5 g converted to kg).
Levers and Fulcrums. if 100 kg is the weight to be lifted using a rod with the fulcrum 100cm from the object. how much force is required where the effort is 100 cm from that fulcrum?
To lift 100 kg at a distance of 100 cm from the fulcrum with an effort 100 cm from the fulcrum, you would need to apply a force of 100 kg in the opposite direction at a distance of 100 cm from the fulcrum. This is because the lever equation states that force x distance on one side of the fulcrum must equal force x distance on the other side.
What is the equation for converting water from a distance to mass and volume?
There is no such equation, what do you mean by "water from a distance".
Is distance vector or scalar with example equation?
Distance is a scalar quantity, as it has only magnitude and no direction. An example equation for distance is d = rt, where d is distance, r is rate, and t is time. This equation is used to calculate distance traveled when speed and time are known.
What are the three ways to write speed equation to find the time distance and speed?
The basic definition of speed is: speed = distance / time Solve this equation for distance, or solve it for time, to get two additional versions of the equation.
What is the equation used to find the image distance?
To obtain this type of numerical information, it is necessary to use the Mirror Equation . The mirror equation expresses the quantitative relationship between the object distance (do), the image distance (di), and the focal length (f). The equation is stated as follows:1/f =1/d0 + 1/d1.
What is the equation for ideal mechanical?
The equation for ideal mechanical advantage is: Output force/input force, Or input distance/ output distance.
Equation to find speed?
Speed = (Distance)/(Time to cover the distance)
What is the kinematic distance equation used for in astrophysics?
The kinematic distance equation is used in astrophysics to calculate the distance to an object in space based on its velocity and the rotation of the Milky Way galaxy.
How came up with the equation for speed?
The equation for speed is derived from the formula: speed = distance / time. This equation is based on the definition of speed as the distance traveled divided by the time taken to cover that distance, providing a quantitative measure of how fast an object is moving.
The equation for speed is?
speed = distance/time
What does the equation distance time defines?
speed
What is the equation used to calculate the speed of an object?
The equation to calculate the speed of an object is speed = distance / time. This equation gives the rate at which an object is moving over a given distance in a specific amount of time.
Is the equation that shows distance varying inversely with time true?
No, the equation showing distance varying inversely with time is not true. In reality, distance is directly proportional to time when an object is moving at a constant speed. This relationship is described by the equation distance = speed x time.
