Chemistry
Chemistry, 06.05.2020 22:11, rileysndr1782

Astronaut Mark Kelly and his crew traveled to the International Space Station in the space shuttle. The shuttle burned off all remaining fuel before entering Earth's atmosphere. When the shuttle returned to Earth it landed at a speed of approximately 354 km/hr or 220 mi/hr, about 20 times the landing speed of a commercial aircraft. What accounts for the shuttle's speed upon landing?

A)
Earth's atmosphere

B)
initial thrust of take-off

C)
angle of approach upon landing

D)
gravitational potential energy

answer
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 21:00, alaina3792
Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal
Answers: 2
image
Chemistry, 22.06.2019 06:00, lindseyklewis1p56uvi
Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %
Answers: 1
image
Chemistry, 22.06.2019 13:30, nasibamurodova
What are the chemical names of these compounds? ke: mg3n2: reset next
Answers: 1
image
Chemistry, 22.06.2019 17:20, banna01man
Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
Answers: 2
Do you know the correct answer?
Astronaut Mark Kelly and his crew traveled to the International Space Station in the space shuttle....

Questions in other subjects:

Konu
Mathematics, 28.08.2020 22:01
Konu
Mathematics, 28.08.2020 22:01