The ______________ is the name given to all matter, energy, and space
Fill in the blank(s) with correct word
universe
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If a spinning object's radius shrinks by a factor of 5, its rotation velocity will
A. get 10 times faster. B. get five times slower. C. get five times faster. D. get 25 times faster. E. remain the same.
Which of these age ranges best describes the lunar maria?
A) 2.5 - 1.0 billion years B) 100 - 65 million years C) 8.6 - 6.0 billion years D) 3.9 - 3.2 billion years E) a few million years to present lava flows seen erupting
Answer the following statement(s) true (T) or false (F)
1. Suppose that we place objects A and B into a large bucket of water and allow them to come into equilibrium with the water. If we now extract A and B from the water and immediately place them in contact with each other, they will necessarily be in equilibrium
The 500-m-long spaceship Springbrake is at rest on the planet Hitest for refueling. Another spaceship, Summerbrake, passes parallel to Springbrake at 0.600c. The crew on Springbrake measure the length of Summerbrake as it passes and find that the length they measure is exactly the same as the known 500-m rest length of Springbrake. If Summerbrake were at rest next to Springbrake, its length would
then be measured to be a. 180 m. b. 320 m. c. 500 m. d. 625 m. e. 781 m.