Concept explainers
Space Shuttle launch The mass of the Space Shuttle at launch was about 2.1 × 106kg. Much of this mass was the fuel used to move the orbiter, which carried the astronauts and various items in the shuttle’s payload. The Space Shuttle generally traveled from 3.2 × 105m (200 mi) to6.2 × 105m
(385 mi) above Earth’s surface. The shuttle’s two solid fuel boosters (the cylinders on the sides of the shuttle) provided 71.4% of the thrust during liftoff and the first stage of ascent before being released from the shuttle 132 s after launch at 48,000 m above sea level. The boosters continued moving up in free fall to an altitude of approximately 70,000 m and then fell toward the ocean to be recovered 230 km from the launch site. The shuttle’s five engines together provided 3.46 × 107N of thrust during liftoff.
Which number below is closest to the acceleration of the shuttle during liftoff? (Hint: Remember the gravitational force that Earth exerts on the shuttle.)
a. 3.3 m/s2b. 6.6 m/s2c. 9.8 m/s2d. 16 m/s2e. 33 m/s2
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