Answer:
The Artemis program is a U.S. government-funded international human spaceflight program that has the goal of landing the first woman and the next man on the Moon, specifically at the lunar south pole region, by 2024.
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its atomic number, which can usually be for at the top of the element box on the periodic table
Two disadvantages Retooling and conversion of machines and equipment in the US would be very expensive
Some expressions in the English language would eventually be quite strange: “A miss is as good as a mile”; “Inching along…”; “Ten gallon hat”; “The whole nine yards” & etc. Advantages everything is based on 10 so its easy to switch units
scientists can share info internationally
Answer:
Explanation:
L = 79 m
T1 = 20°C
T2 = 39.5°C
α = 12 x 10^-6/°C
Let the increase in length is ΔL.
According to the linear expansion
ΔL = L x α x ΔT
ΔL = 79 x 12 x 10^-6 x (39.5 - 20)
ΔL = 0.018486 m = 1.8486 cm
The gap between the two rails should be l = 2 x ΔL =
= 2 x 1.8486 = 3.6972 cm