What form does the signal take while it is broadcast from a transmitting station to your radio or television, regardless of whether it is a digital or analog wave?

The loudness l of a sound, measured in decibels, is given by l=10log10r, where r is the sound's relative intensity. suppose one person talks with a relative intensity of 10^6 or 60 decibels.

Mammals have how many characteristics in common? a. 5 c. 7 b. 6 d. 8

Tech A says all lighting system wiring diagrams use the same symbols and numbering system. Tech B says manufacturers design circuits to operate in specific ways then create schematics or wiring diagrams to assist in the repair and maintenance of the

A person who is described as intersex is

Mass is a measure of the amount of matter in a substance. Weight, on the other hand, is a form of gravitational attraction, which is dependent upon mass and distance.

A new cannon was being developed in a science lab. The instructor wanted to do some testing of the cannon's ability to launch objects with different masses. The instructor used tennis balls and filled them with lead, rocks, and styrofoam.

Two machines, A and B, each working at a constant rate, can complete a certain task working together in 6 days. In how many days, working alone, can machine A complete the task?

Austin and his friends are pushing a heavy box up a ramp. How can they increase the rate at which the box is moving?

A lightbulb has a voltage of 120 V and uses a current of. 75 amps. What is the electric power used by the lightbulb? Show work

Wind blows at the speed of 30m/s across a 175m^2 flat roof if a house. what is the pressure difference between inside the house and the outside of the house just above the roof?