A resting blood pressure of 140 over 90 or more is considered hypertension.
Answer the following statement(s) true (T) or false (F)
Answer : True
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Equilibrium: If an object remains at rest, then the sum of both the external torques and the external forces on the object must be zero.
A. True B. False
If an artificial satellite is orbiting about the Earth, between the Earth and the moon, how does its period of rotation compare to the moon’s period?
A. greater. B. the same. C. less. D. don’t have enough information, depends on the satellite’s speed E. don’t have enough information, depends on the satellite’s mass
When two organ pipes each closed at one end sound a perfect fifth, such as two notes with fundamental frequencies at 440 Hz and 660 Hz, both pipes produce overtones. Which choice below correctly describes overtones present in both pipes?
a. 440, 880 and 1 320 Hz. b. 660, 1 320 and 1 980 Hz. c. 880, 1 320 and 1 760 Hz. d. 1 320, 2 640 and 3 960 Hz. e. They have no overtones in common.
Assuming the length remains the same, calculate the period of the same simple pendulum on the surface of the Moon? [Note: The acceleration (g) due to gravity on the Moon is one-sixth of that on Earth.]