Astronomers use the _______________ alphabet to identify the bright stars in a constellation in approximate order of brightness
Fill in the blank(s) with correct word
Greek
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T Tauri stars are believed to be young, high mass main sequence stars
Indicate whether the statement is true or false
When you flick a card from beneath a coin that hardly moves, you're illustrating
A) inertia. B) equilibrium. C) support force. D) friction.
Lithium, beryllium, and boron are elements with atomic number 3, 4, and 5, respectively. Even though they are three of the five simplest elements, why are they rare compared to many heavier elements?
What will be an ideal response?
Two forces are the only forces acting on a 3.0-kg object which moves with an acceleration of 3.0 m/s2 in the positive y direction. If one of the forces acts in the positive x direction and has a magnitude of 8.0 N, what is the magnitude of the other force?
a. 12 N b. 14 N c. 16 N d. 18 N e. 22 N