The proper motion of a star is its true velocity through space
Indicate whether the statement is true or false
FALSE
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Which of the following is true of spring tides?
A) They occur at noon and midnight every day. B) They occur at first- and third-quarter moons. C) They occur at dawn and dusk every day. D) They occur at new moon and full moon.
Earth's spin creates the day and night cycle, but does not affect the weather pattern.
Answer the following statement true (T) or false (F)
Two blocks are at rest on a horizontal frictionless surface with a compressed spring between them. The 15.0-kg block accelerates when the string holding the system in compression is cut and the 30.0-kg box accelerates in the opposite direction. What is the magnitude of the force from the expanding spring on the 30.0-kg box when the 15.0-kg box is undergoing an acceleration of 5.00 m/s2?
a. 37.5 N b. 150 N c. 225 N d. 75.0 N e. 0 N
The type of EM waves used in radar is __________
Fill in the blank(s) with correct word