DEFINITION of 'Aggregate Demand'. The total amount of goods and services demanded in the economy at a given overall price level and in a given time period. It is represented by the aggregate-demand curve, which describes the relationship between price levels and the quantity of output that firms are willing to provide. Normally there is a negative relationship between aggregate demand and the price level. Also known as total spending.
Answers. Best Answer: Up to about 120 decibels, which is about as loud as a gunshot. Some of the factors that affect the loudness are energy released, the environment, and of course the distance you are from the lightning.
waves is measured in units of decibels (dB), as shown in Figure 13. The softest sound a person can hear has an intensity of 0 dB.Normal. conversation has an intensity of about 50 dB.Sound with intensities. of about 120 dB or higher are painful to people.