Physics, 16.10.2020 16:01 myla18jabbar
PLEASE HELP IM TIMED WILL MARK BRAINLIEST 13 POINTS
Which statement best explains how galaxies are held together?
A. Thermal energy generated by stars holds galaxies together
B. Magnetic forces among the components of galaxies holds galaxies together
C. Electrical energy generated by planets holds galaxies together
D. Gravitational forces among stars and other components of galaxies holds galaxies together
Answers: 1
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An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initial velocity of the ball is 3030 ft per sec. the height s of the ball in feet is given by the equation s equals negative 2.7 t squared plus 30 t plus 6.5s=−2.7t2+30t+6.5, where t is the number of seconds after the ball was thrown. complete parts a and b.
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PLEASE HELP IM TIMED WILL MARK BRAINLIEST 13 POINTS
Which statement best explains how galaxies are...
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