Shapley used the distribution of globular clusters in our galaxy to determine that the Sun was not at the center of the Milky Way
Indicate whether the statement is true or false
TRUE
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Impulse is a quantity that is equal to force multiplied by time. If the dimensions of force are [M][L][T-2], what are the dimensions of impulse?
A) [M][L][T-3] B) [M][L2][T] C) [M][L2][T-2] D) [M][L][T-1] E) [M][L]
A Type Sa galaxy is a spiral with a large bulge and tightly wound arms
Indicate whether the statement is true or false
An athlete participates in an interplanetary discus throw competition during an Olympiad that takes place on a planet where the free-fall acceleration is 9.7 m/s2
He throws the discus with an initial velocity of 20 m/s at an angle of 60° from the vertical. Neglecting air resistance and the height of the discus at the point of release, what is the range of the discus? A) 21 m B) 60 m C) 36 m D) 40 m E) 32 m
If we divide the mass of a star by its volume we calculate the star's ____________________
Fill in the blank(s) with correct word