1. What finally sparked the U. S. to beat the Soviet Union?
2. What are some of the challenges the U. S. faced to go to the Moon? List at least five challenges.
3. What did we learn from Apollo 1 and what was one thing that NASA fixed for future lunar missions?
4. Which Apollo 11 Astronaut contributed the most to the lunar missions? List at least three contributions.
Answers: 2
Physics, 21.06.2019 16:00
As shown in fig. p3.64, a closed, rigid tank fitted with a fine-wire electric resistor is filled with refrigerant 22, initially at 2108c, a quality of 80%, and a volume of 0.01 m3. a 12-volt battery provides a 5-amp current to the resistor for 5 minutes. if the final temperature of the refrigerant is 408c, determine the heat transfer, in kj, from the refrigerant.
Answers: 1
Physics, 22.06.2019 16:30
A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Physics, 22.06.2019 16:30
In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic
Answers: 1
1. What finally sparked the U. S. to beat the Soviet Union?
2. What are some of the challenges the...
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