Answer:
it was made in July 29, 1958, United States
it was founded by
Dwight D. Eisenhower
The first rocket which could fly high enough to get into space was the V2 missile which was first launched by Germany in 1942. The first rocket which actually launched something into space was used to launch Sputnik, the first satellite, on October 4, 1957. The rocket that launched Sputnik was a R-7 ICBM rocket.
Explanation:
Explanation:
The chemical formula of a compound is a representation which shows all the elements therein and the mole relationship between them expressed as subscripts.
Water H₂O Hydrogen peroxide H₂O₂
Contrast
Water is a compound made up of 2 moles of hydrogen and 1 mole of oxygen
Hydrogen peroxide is made up of two moles of hydrogen and and 2 moles of oxygen.
Comparison:
Water and Hydrogen peroxide are made up of two elements:
Hydrogen and oxygen
H O
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Answer:
3504.4 kgm/s
Explanation:
First, convert km/hr to m/s:
19 km/hr x 1000m/1km x 1/60min x 1/60s = 5.28 m/s
p = mv
p = (664 kg)(5.28 m/s) = 3504.4 kgm/s
Velocity of wave= wavelength/wave period;
i.e., 100/20=5 meter/sec
Answer:
fog and mist are the examples