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
8.
With the aid of a diagram draw the following electric circuit and use the resistor as the load,
(a) Closed circuit
(b) Open circuit
Lab 8 Part 3 PHET Wave Interface simulation.
I am having trouble with this part of the lab.
Mick and Rick are twins born on Earth in the year 2175. Rick grows up to be an Earth-bound robotics technician while Mick becomes an intergalactic astronaut. Mick leaves the Earth on his first space mission in the year 2200 and travels, according to his clock, for 10 years at a speed of 0.75c. Unfortunately, at this point in his journey, the structure of his ship undergoes mechanical breakdown and the ship explodes. How old is Rick when his brother dies?
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