The water hole is a radio region with lower background noise

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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Which of the following is not a major idea of Einstein's general theory of relativity?

A) It is possible to travel through wormholes. B) Time runs slower near strong gravitational fields. C) Our universe can have no center or boundaries, yet be finite. D) Black holes can exist in spacetime, and falling into a black hole means leaving the observable universe. E) Large masses that undergo rapid changes in motion or structure can emit gravitational waves that travel at the speed of light.

Physics & Space Science

Suppose you live at latitude 40°N. Which of the following describes the path of the celestial equator through your sky?

A) It extends from due east on your horizon, to an altitude of 50° in the south, to due west on your horizon. B) It extends from due south on your horizon, to your zenith, to due north on your horizon. C) It extends from due east on your horizon, to an altitude of 40° in the south, to due west on your horizon. D) It extends from due east on your horizon, to an altitude of 40° in the north, to due west on your horizon.

Physics & Space Science

A ball thrown upwards reaches a maximum height and then comes back down to the original level. At the peak of the motion the velocity and acceleration are both zero

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

A whistle produces sound of frequency of 1.00 kHz. If a listener moves with a speed of 30 m/s away from the whistle, what frequency does this person hear if the sound speed is 340 m/s?

A) 912 Hz B) 919 Hz C) 1000 Hz D) 1090 Hz

Physics & Space Science