The answer is D. Blackbody radiation. The piece of iron glows red because its temperature is around 1000 K, then yellow because its temperature is around 2800 K, and then white because its temperature is around 5500K. This shows that the spectrum of the radiation is determined by absolute temperature, as when the temperature of a blackbody radiator increases, the peak of the radiation curve moves to shorter wavelengths.
Answer:
TRUE
Explanation
Nuclear fission is the process that provides energy to generate electricity in nuclear power plants.
Nuclear fission involves the radioactive decay of a heavy nucleus spontaneously. Such a nucleus a disintegrates into lighter nuclei and several neutrons. This reaction is a nuclear reaction and it is accompanied with a large release of energy. Each of the neurons produced further reacts with new nucleus to give newer atoms. This drives a series of chain reactions. With each reaction comes the release of large amount of energy.
The energy that results from a nuclear reaction far exceeds those derieved from chemical ones. The spontaneous decay of a nucleus helps produce energy.
The most commonly used fuel for most reactors is uranium. Uranium occurs naturally and can easily by mined.
The energy produced is channelled to drive a turbine system. Water becomes heated to steam, the steam helps to do work by turning turbines connected and designed into a magnetic field. Electricity is therefore induced by this process.
Nuclear fusion on the other hand involves the combination of small atomic nuclei to form larger ones. This process releases huge amount of energy. The energy that accompanies a fusion reaction far exceeds those of a fission reaction. Nuclear fusion is the process at work in the sun, the only star in our solar system.
We are given that there are two capacitors:
4.20 uf
8.50 uf
A. In parallel
The equivalent capacitance of capacitors is similar to
calculating that of a current, they are added when in parallel. Therefore the
equivalent capacitance is:
equivalent capacitance = C1 + C2 + C3 + ...
equivalent capacitance = 4.20 uf + 8.50 uf
equivalent capacitance = 12.70 uf
B. In series
When the capacitors are placed in series, the formula for
the equivalent capacitance is:
equivalent capacitance = 1 / (1/C1 + 1/C2 + 1/C3 + ...)
equivalent capacitance = 1 / (1/4.20 + 1/8.50)
<span>equivalent capacitance = 2.81 uf</span>
Answer:
D
Explanation:
Mars is the planet between Earth and Jupiter, or the 4th planet from the Sun.
Answer: 0j
Explanation:
At that point potential energy is zero and kinetic energy is maximum.. P. E=mgh=0