If One Lawn Mower Causes an 80-DB Sound Level at a Nearby

question 57

Short Answer

If one lawn mower causes an 80-dB sound level at a nearby point,what sound level at that point would four lawnmowers together cause?

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Definitions:

Homo Erectus

An extinct species of hominid that lived throughout most of the Pleistocene, known for standing upright and using tools.

H. Floresiensis

A species of small hominin that lived on the island of Flores, Indonesia, known for its remarkably small stature and brain size.

"Hobbits"

A nickname for Homo floresiensis, a small-bodied ancient human species discovered on the Indonesian island of Flores.

Foramen Magnum

A large opening in the base of the skull through which the spinal cord passes to connect to the brain.