A cell phone company relies on which kind of waves in order to provide service for its customers? ultraviolet waves infrared wav es gamma rays microwaves
2 answers:
Answer:
microwaves
Explanation:
Electromagnetic waves consist of waves of different wavelengths. Among the choices given, waves are ordered for increasing wavelengths as follows:
gamma rays --> ultraviolet waves --> infrared waves --> microwaves
So, microwaves are the waves with the longer wavelength among the given choices. This is the reason why they are used by the cell phone companies: in fact, since they have longer wavelengths, microwaves can travel longer distances without being absorbed by objects or obstacles, and so they are more reliable for broadcasting and telecommunications.
The correct answer is Microwaves
Explanation:
Among all the waves mentioned Micro-waves has the highest wavelength which helps it to transfer data along longer distances
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Answer:
2 : A large storm
Explanation: I hope this helps
Answer:
It is given that:
Density of material =ρ
radius of inner spherical shell =
radius of outer spherical shell=
we know that the volume of sphere is
Volume of the given spherical shell =
Then mass of the spherical shell can be calculate as:
Mass, m=density/ volume
Answer:
umm section 2 and 4
Explanation:
because at section 2 it starts and at section 4 it moves again and stops at 3.
Answer:
8.362m/s
Explanation:
Given data
Mass m1= 7.77kg
Velocity v1= 7.77m/s
Mass m2= 8.88kg
Velocity v2= 8.88m/s
Apply the law of conservation of momentum for inelastic collision we have
m1v1+m2v2= (m+m2)V
7.77*7.77+ 8.88*8.88= (7.77+8.88)V
60.3729+78.8544= 16.65V
139.2273= 16.65V
Divide both sides by 16.65
V= 139.2273/16.65
V= 8.362m/s
Hence the final velocity is 8.362m/s
Answer:
6862.96871 seconds
Explanation:
M = Mass of Planet
G = Gravitational constant
r = Radius
= Density
T = Rotation period
In this system the gravitational force will balance the centripetal force
.
Hence, proved
The rotation period of the astronomical object is 6862.96871 seconds