The Sun is a ball of gas that is on fire
Indicate whether the statement is true or false
FALSE
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Most of the dark matter in the Galaxy lies in the disk and galactic center
Indicate whether the statement is true or false
Velma bicycles northward at an unchanging speed of 4 m/s, and Mort jogs southward at an unchanging speed of 4 m/s. Are Velma and Mort in relative motion?
A) No, because they both have the same speed. B) No, because they both have the same velocity. C) No, because neither Mort nor Velma is accelerated. D) Yes, because they have different velocities. E) Yes, because they have different speeds.
The kinetic energy of an object is quadrupled. Its momentum will change by what factor?
a. zero b. two c. eight d. four
Arrange the atoms magnesium, fluorine, strontium, and sulfur in order of increasing ionization energy