Yes, <em>radiation</em> sources can be used to power spacecraft and satellites, the lights on ocean buoys, and remote weather stations. They can also be used to generate electrical power for consumers, as is done in a nuclear reactor.
Answer:
See the explanation below
Explanation:
Many of the advantages are due to higher power generation efficiency compared to other forms of power generation.
For example, a smaller amount of uranium compared to carbon or oil is needed to produce the same amount of energy.
Nuclear power plants can be installed in isolated and safe places far from the cities and not necessarily near a river, as if it happens in hydroelectric plants.
A nuclear power plant can supply power to large metropolises, ensuring a level of reliability of 98%, compared to thermoelectric and hydroelectric power plants.
Its working fuel is uranium or plutonium, energy that is used to heat bars that are immersed in water generating steam. The amount used of radioactive material (uranium or plutonium) is very small compared to fossil fuels such as coal and oil.
Answer:
Explanation:
the resistance of a electrical device
R = V² / P where V is volt and P is power .
The devices are in parallel so same volt will apply on them
So R₁ = 12² / 32.5 = 4.431 ohm
R₂ = 12² / 2 x 10³ = .072 ohm
when they are in series
Common Current in them = 12 / 4.431 + .072
= 2.6649 A
power consumed by first device when they are in series
= current² x resistance
= 2.6649² x 4.431 = 31.46 W
power consumed by other
= 2.6649² x .072 = .511 W
Answer: force from sun to mars = , force from mars to sun =
Explanation: The force of attraction or repulsion between 2 object ( in this case the sun and mars ) in space is given by newton's law of gravitation which is given mathematically below as
where
G = gravitational constant, = mass of mars, = mass of sun
the mars also exerts the same magnitude of force above on the sun but in the opposite direction, thus the force mars exerts on the sun is
It has no effect whatsoever.
The Earth, the moon, the ISS, and every TV satellite, all take exactly the same number of days to circle the Sun.