A 6.0-kg object is suspended by a vertical string from the ceiling of an elevator which is accelerating upward at a rate of 1.8 m/s2. Determine the tension in the string
a.
11 N
b.
70 N
c.
48 N
d.
59 N
e.
62 N
b
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The process in which one plate bends and descends beneath another plate is called
A) subduction. B) seduction. C) segregation. D) sinking.
Bats use infrasound to navigate
Indicate whether the statement is true or false
Processed meteorites with high metal content probably are
A) leftover chunks of rock from the earliest period in the formation of the solar system. B) pieces of comets rather than of asteroids. C) chunks of rock chipped off the planet Mars. D) chunks of rock chipped off the planet Mercury. E) chunks of the core of a larger asteroid that was shattered by a collision.
The lithospheric plates are believed to be put into motion by the driving force of ______________ cells in the asthenosphere
Fill in the blank(s) with correct word