Answer:
A constant value everywhere in the universe.
Explanation:
The speed of light in a vacuum is a constant value. It is not affected by change in frequency or wavelength of the light.
Mathematically the speed of light is given as:
c = λf
where λ = wavelength and f - frequency
The speed of light is the constant of proportionality between frequency and wavelength. In order words, wavelength and frequency are inversely proportional. As the wavelength increases, frequency decreases and vice versa.
While the change in wavelength and frequency of light affect the energy of the light, its speed is a constant value as long as the medium is a vacuum.
The speed of light is also not dependent on the manner with which the light wave is moving.
I think 30 as that’s usually average speed
Explanation:
Thermal energy is basically the energy derived from heat when there is a temperature change in a body.
Kinetic energy is the energy due to the motion of a body.
Potential energy is the energy at rest or due to the position of a body.
- Thermal energy is highly related to kinetic and potential energy.
- Thermal energy is a type of kinetic energy because it causes the motion of the particles in a body.
- An increase in thermal energy gives the particles more energy to move and then, their kinetic energy increases.
- Kinetic energy is directly related to thermal energy.
- A low thermal energy increases the potential energy in a body.
- A body at rest will exert its maximum potential energy.
learn more:
Thermal energy brainly.com/question/914750
#learnwithBrainly
A)
2revs in 0.08s
so in 1s thats 25revs
therefore thats <u>50π radians</u> in one second
b)
well, ω=2π/T
therefore ω=50π = 157.079rads^-1
and v=rω where r is in meters;
v=0.3x157.079
<u>v=47.123ms^-1</u>
c)
f=1/T
f=1/period for one rotation
1 rotation = 0.08/2 = 0.04
f=1/0.04
<u>f=25Hz</u>
Answer:
15
Explanation:
0.15 is a decimal place after a 0, whereas the 15 is a whole number
