Answer:
Regions of the Electromagnetic Spectrum
Wavelength (m)Frequency (Hz)Radio> 1 x 10-1< 3 x 109Microwave1 x 10-3 - 1 x 10-13 x 109 - 3 x 1011Infrared7 x 10-7 - 1 x 10-33 x 1011 - 4 x 1014Optical4 x 10-7 - 7 x 10-74 x 1014 - 7.5 x 1014
Explanation:
Cadmium, nickel, chromium, and silver are sometimes used as protective platings. Metals have a wide range of corrosion resistance. The most active metals (i.e., those that tend to lose electrons easily)--such as magnesium and aluminum--corrode easily and are listed at the top of Table 2-1.
Answer:
I make not know because im the 7th grade but Im give my worthy guess I now this its endothermic
Explanation:
Antoine Henri Becquerel discovered radioactivity when he was studying
X- rays.
He had been studying phosphorescent uranium ores and hypothesized that they might absorb sunlight and reemit it as X-rays.
His hypothesis was wrong, but his experiments led to the discovery of <em>natural radioactivity</em>.
The satellite's rockets fire in 18.54 s
<h3>Further explanation</h3>
Given
F- Force = 550 N
I - impulse = 10,200 kg m/s
Required
Fire time
Solution
Impulse is defined is the product of the force with the time interval when the force is acting on the object.
Can be formulated :
I = F. Δt
Δt = I : F
Input the value :
