Space Shuttle launch The mass of the Space Shuttle at launch was about 2 .1 × 10 6 kg . 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 × 10 5 m (200 mi) to 6 .2 × 10 5 m (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 × 10 7 N of thrust during liftoff. Which number below is closest to the average vertical acceleration of the shuttle during the first 132 s of its flight? a . 3 .3 m/s 2 b . 5 .5 m/s 2 c . 9 .8 m/s 2 d . 14 m/s 2 e . 360 m/s 2
Space Shuttle launch The mass of the Space Shuttle at launch was about 2 .1 × 10 6 kg . 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 × 10 5 m (200 mi) to 6 .2 × 10 5 m (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 × 10 7 N of thrust during liftoff. Which number below is closest to the average vertical acceleration of the shuttle during the first 132 s of its flight? a . 3 .3 m/s 2 b . 5 .5 m/s 2 c . 9 .8 m/s 2 d . 14 m/s 2 e . 360 m/s 2
Space Shuttle launch The mass of the Space Shuttle at launch was about
2
.1
×
10
6
kg
. 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
×
10
5
m
(200 mi) to
6
.2
×
10
5
m
(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
×
10
7
N
of thrust during liftoff.
Which number below is closest to the average vertical acceleration of the shuttle during the first 132 s of its flight?
a
. 3
.3 m/s
2
b
. 5
.5 m/s
2
c
. 9
.8 m/s
2
d
. 14 m/s
2
e
. 360 m/s
2
20. Two small conducting spheres are placed on top of insulating pads. The 3.7 × 10-10 C sphere is fixed whie
the 3.0 × 107 C sphere, initially at rest, is free to move. The mass of each sphere is 0.09 kg. If the spheres
are initially 0.10 m apart, how fast will the sphere be moving when they are 1.5 m apart?
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