2. The billions of galaxies in the universe are organized into smaller groups of galaxies which in turn belong to
larger groups. Janelle wanted to build a scale model comparing the sizes of the major galaxies in the Local
Group. The Milky Way and Andromeda are the two largest galaxies in the Local Group. Andromeda has a
diameter of about 200,000 light years and the Milky Way has a diameter of about 100,000 light years. Janelle
cut out a cardboard disk 3 centimeters in diameter to represent the size of the Milky Way. How large must she
make the diameter of the disk representing Andromeda?
A. 3 centimeters
B. 6 centimeters
C. 1.5 centimeters
D. 30 centimeters
asap pls i neeed to finsish dis quiz
Answers: 3
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Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.
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