subject
Physics, 20.10.2019 07:00 megamorph

Which of the following frequencies falls in the range of rf waves used by commercial radio broadcasting stations?

a. 6,000,000 hz
b. 6,000 hz
c. 60 hz
d. 600,000 hz
i don't know which answer some says is a and some says
pl

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 05:10
A- a of 8.00 cm a of 34.0 nc. a , -, a of 25.0 nc is on of a of 15.0 cm .be toto aof ? a) b) c) j d) e)
Answers: 1
question
Physics, 22.06.2019 17:00
If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction
Answers: 3
question
Physics, 22.06.2019 19:00
Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
Answers: 1
question
Physics, 22.06.2019 19:00
1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
Answers: 1
You know the right answer?
Which of the following frequencies falls in the range of rf waves used by commercial radio broadcast...
Questions
question
Health, 28.01.2021 21:20
question
Chemistry, 28.01.2021 21:20
question
Mathematics, 28.01.2021 21:20
question
Mathematics, 28.01.2021 21:20
Questions on the website: 13722360