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Answers by Ryanmarc

Answers by Ryanmarc
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Assume the space shuttle's main engines produce 764,576 newtons of thrust, and the shuttle has a mass of 78,018 kg. Why does the shuttle need the two solid rocket boosters (in addition to the main engines)?
answered Sep 7, 2018
5 votes
84.3k views
An astronaut visited Mars. His weight on Earth was 180 pounds, and his weight on Mars was only 72 pounds. He removed a rock with a weight of 16 pounds on Mars. What is the weight of the rock on Earth?
answered Mar 19, 2018
4 votes
124k views
Where did the Japanese attack in 1941, drawing the U.S. into World War 2 after pearl harbor?
answered Feb 17, 2018
4 votes
164k views
What adds to 15 and multiplies to 25
answered Jun 29, 2017
7 votes
98.2k views
Which statement describes a physical property of copper? It reacts with strong acids. It can be reshaped by a force. It ignites at high temperatures. It can combine with oxygen.
answered May 25, 2017
4 votes
176k views
Which of these is Not a pro of independent media? 1-less likely to be censored 2-easily accessible 3-provides clear, close coverage 4-clear consequences for misreporting 5-bias easier to determine
answered May 9, 2017
3 votes
194k views
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