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3 years ago

What is NASA currently considering as possible ways to decrease the impact of radiation during longer space missions?

Physics

2 answers:

Colt1911 [192]3 years ago

8 0

The correct answer to this open question is the following.

As complicated Missions such as the ones to Planet Mars are prepared, NASA is currently considering possible ways to decrease the impact of radiation during longer space missions.

Planet Mars doesn't have a global magnetic field to defect energetic particles, so astronauts have to protect from Sun's radiation and galactic cosmic rays radiation. The two types of protection that NASA is devising are, the use of more mass of traditional material to build the spacecraft and the use of more efficient shields, and for this, NASA needs to invest more money to find the right kind of material that can add protection to the shields.

xz_007 [3.2K]3 years ago

3 0

One category mentioned was creating an advanced, new radiation shielding. Problem with new shielding is that it has weight associated with it. The added weight could cause problems on a long space mission.

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If a particle's position is given by x=4-12t+3t^2, where t is in seconds and x is in meters, what is its velocity at t=1 second?

andreyandreev [35.5K]

Answer:

v = -6m/s

Explanation:

$x=4-12t+3t^2$

$\frac{dx}{dt}=-12+6t$

For t = 1:

$\frac{dx}{dt}=-6$

3 0

4 years ago

What kind of reaction occurs when potassium is placed in water? a. a single-displacement reaction c. a decomposition reaction b.

satela [25.4K]

The equation for potassium in water is:
K(s) + H20(l) --> H2(g) + K20(aq)
since a element and a compound are reacting, this is a single replacement reaction - which is a)

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4 years ago

Which term compares an objects mass to its volume

expeople1 [14]

Answer:

Density is the relationship between mass and volume.

D = M / V

7 0

4 years ago

A straightforward method of finding the density of an object is to measure its mass and then measure its volume by submerging it

Thepotemich [5.8K]

Answer:

The density of rock = 3.37 g/cm³

Explanation:

Density: Density can be defined as the ratio of the mass of a body to the volume. The S.I unit of density is kg/m³. It can be expressed mathematically as ,

D = M/V............................................... Equation 1

Where D = density of the body, M = mass of the body, V = volume of the body.

From Archimedes' principle, a body will displace a volume of water equal to its volume.

Therefore, Volume of the object = volume of water displaced

Given: M = 300 g, V = volume of water displace = 89.0 cm³.

Substituting these values into equation 1

D = 300/89

D = 3.37 g/cm³

The density of rock = 3.37 g/cm³

4 0

4 years ago

The pictures represent three different states of matter.

Veronika [31]

ONLY if ur asking for the 3 states of matter it is solid liquid and gas

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4 years ago