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2 years ago

Which technology is NASA developing that will help astronauts reach Mars?

Physics

2 answers:

GrogVix [38]2 years ago

8 0

Answer:

Orion

Explanation:

I just took the test

Dafna1 [17]2 years ago

3 0

NASA is developing the Orion technology that will help astronauts to reach Mars.

Explanation:

NASA successfully tested that the Orion spacecraft launch of the abort system goes beyond the speed of the rocket and could save astronauts at launch/emergency. The test marks a new stage in the Agency's preparations for the Artemis mission to the moon, which will push astronaut missions to Mars. In generations, for the first time, NASA is constructing a human spacecraft for long-range space missions.

Hence, it is entering a new era in traveling to space. Orion will serve as a reconnaissance vehicle to transport the crew into space. It also provides emergency launch, help astronauts in missions and ensure a safe return to space.

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Read the scenario and solve these two problems.

Burka [1]

Answers:

a) 5400000 J

b) 45.92 m

Explanation:

a) The kinetic energy $K$ of an object is given by:

$K=\frac{1}{2}mV^{2}$

Where:

$m=12000 kg$ is the mass of the train

$V=30 m/s$ is the speed of the train

Solving the equation:

$K=\frac{1}{2}(12000 kg)(30 m/s)^{2}$

$K=5400000 J$ This is the train's kinetic energy at its top speed

b) Now, according to the Conservation of Energy Law, the total initial energy is equal to the total final energy:

$E_{i}=E_{f}$

$K_{i}+P_{i}=K_{f}+P_{f}$

Where:

$K_{i}=5400000 J$ is the train's initial kinetic energy

$P_{i}=0 J$ is the train's initial potential energy

$K_{f}=0 J$ is the train's final kinetic energy

$P_{f}=mgh$ is the train's final potential energy, where $g=9.8 m/s^{2}$ is the acceleration due gravity and $h$ is the height.

Rewriting the equation with the given values:

$5400000 J=(12000 kg)(9.8 m/s^{2})h$

Finding $h$ :

$h=45.918 m \approx 45.92 m$

7 0

2 years ago

Read 2 more answers

The cycle that moves an important non carbon element, which organisms use to build their cells through Earth's sphere's, is the

Andrew [12]

D. Carbon

Carbon cycle is an example of a biogeochemical cycle. The biogeochemical cycles move through mainly the biotic and abiotic components of the earth, more elaborately the spheres -biospheres, lithosphere, hydrosphere and atmosphere regions of the ecosystem. These biogeochemical cycles, from its terminology and discernable word morphology- involves the biological, geological and chemical components that make out to complete an exact and purposed cycle. The purpose in these cycles are to maintain balance and to ensure the ongoing process of the living and non-living organisms in the environment. These cycles’ help to living organisms survive and thrive. One popular example is the water cycle.

8 0

3 years ago

Good evening everyone, State the law of conservation of energy .Thank u

disa [49]

Energy can neither be created nor be destroyed but can be converted from one form to another .

3 0

2 years ago

Read 2 more answers

If you and a friend are standing at opposites ends of a gymnasium and one of you claps, will the other hear the clap at the same

34kurt

Answer:

No. Your friend will not hear the clap when he/she sees it.

Explanation:

It takes time for sound waves to go through a large area. It takes longer if people are in the area rather than it is empty.

3 0

3 years ago

A fisherman is fishing from a bridge and is using a "44.0-N test line." In other words, the line will sustain a maximum force of

vitfil [10]

Answer:

a) 4.485 kg b) 3.94 kg

Explanation:

since the maximum tension the line can stand is 44 N and for question a the speed is constant (acceleration must be zero since the velocity or speed is not changing), F(tension) = mass * acceleration due to gravity (g) .

44 = m * 9.81m/s^2

m = 44/9.81 = 4.485kg

b) F(tension) = ma + mg ( where a is the acceleration of the body and g is the acceleration of the gravity)

44 = m (a +g)

44 = m (1.37 + 9.81)

44/11.18 = m

m = 3.94 kg

3 0

3 years ago