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
When violet light of wavelength 415 nm falls on a single slit, it creates a central diffraction peak that is 8.60
cm wide on a screen that is 2.80 m away.
Part A
How wide is the slit?
ΟΙ ΑΣΦ
?
D= 2.7.10-8
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Two complex values are z1=8 + 8i, z2=15 + 7 i. z1∗ and z2∗ are the complex conjugate values.
Any complex value can be expessed in the form of a+bi=reiθ. Find θ for (z1-z∗2)/z1+z2∗. Find r and θ for (z1−z2∗)z1z2∗ Please show all steps
Calculate the center of mass of the hollow cone
shown below. Clearly specify the origin and the
coordinate system you are using.
Z
r
Y
h
X
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