In the sun, rising currents of hot gas below the photosphere cause granulation
Indicate whether the statement is true or false
T
Physics & Space Science
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Which of the following wavelengths could NOT be present as a standing wave in a 2-m-long organ pipe open at both ends?
A. 4 m B. 2 m C. 1 m D. 0.89 m E. 0.5 m
Physics & Space Science
What is the period of a signal that has a frequency of 60 Hz?
a. 60 s b. 60 s¯1 c. 1/60 s d. not determinable
Physics & Space Science
When a ball thrown straight upwards reaches the very top of its path, its acceleration is
A) zero. B) 5 m/s2. C) 10 m/s2. D) none of the above
Physics & Space Science
Which of the following is a unit for rotational velocity?
A. hours/radians B. Radians C. Rev/sec D. degrees
Physics & Space Science