When can radio telescope be used?

What will be an ideal response?


Anytime- day/night, good/bad weather

Physics & Space Science

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An organ pipe open at both ends has two successive harmonics with frequencies of 210 Hz and 240 Hz. What is the length of the pipe? The speed of sound is 344 m/s in air

A) 3.62 m B) 4.90 m C) 5.25 m D) 2.76 m E) 5.73 m

Physics & Space Science

The lifetime of a fossil fuel resource, formed by dividing the total reserves by the current use rate, is an accurate measure of the number of years of that resource remaining to be exploited

What will be an ideal response?

Physics & Space Science

A horizontal uniform 1.20-N meter stick is held up by two vertical strings, one at the 20-cm mark and the other at the 60-cm mark. What is the tension in the string at the 60-cm mark?

A. 0.30 N B. 0.45 N C. 0.60 N D. 0.90 N E. 1.0 N

Physics & Space Science

The oxygen atoms in Earth's atmosphere were created

A. during the formation of the Earth. B. by nuclear fusion in massive stars. C. when atoms first formed, about half a million years after the beginning of the universe. D. during the Big Bang.

Physics & Space Science