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 ) to6 .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. What was the approximate impulse of the jet engine thrust exerted on the shuttle during the first 10 s of flight? a . 980 N ⋅ s downward b . 980 N ⋅ s upward c . 3 .4 x × 10 7 N ⋅ s upward d . 3 .4 × 10 8 N ⋅ s upward e . 3 .4 × 10 8 N ⋅ s downward
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 ) to6 .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. What was the approximate impulse of the jet engine thrust exerted on the shuttle during the first 10 s of flight? a . 980 N ⋅ s downward b . 980 N ⋅ s upward c . 3 .4 x × 10 7 N ⋅ s upward d . 3 .4 × 10 8 N ⋅ s upward e . 3 .4 × 10 8 N ⋅ s downward
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
)
to6
.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.
What was the approximate impulse of the jet engine thrust exerted on the shuttle during the first 10 s of flight?
a
. 980 N
⋅
s downward
b
. 980 N
⋅
s upward
c
. 3
.4 x
×
10
7
N
⋅
s upward
d
. 3
.4
×
10
8
N
⋅
s upward
e
. 3
.4
×
10
8
N
⋅
s downward
A capacitor with a capacitance of C = 5.95×10−5 F is charged by connecting it to a 12.5 −V battery. The capacitor is then disconnected from the battery and connected across an inductor with an inductance of L = 1.55 H .
(D)What is the charge on the capacitor 0.0235 s after the connection to the inductor is made? Interpret the sign of your answer. (e) At the time given in part (d), what is the current in the inductor? Interpret the sign of your answer. (f) Atthe time given in part (d), how much electrical energy is stored in the capacitor and how much is stored in the inductor?
Close-up view
etermine;
The volume of the object given that the initial level of water in the measuring cylinder
23cm3.
The density of the object.
simple cell made by dipping copper and zinc plates into dilute sulfuric acid solution. A bull
onnected across the plates using a wire.
State what constitute current flow through the wire
The bulb connected across is observed to light for some time and then goes out. State t
possible
asons for this observation.
State two ways in which the processes named in question (b) above can be minimized t
the bulb light for a longer period.
ead
is rated 80Ah. Determine the current that can be drawn continuously
Answers with -1.828, -1.31 or 939.3 are not correct.
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