SONAR stands for "sound navigation and ranging,” and it is used to map and explore the ocean floor.
Answer:
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The pressure between two costs is proportional to the product of the charges.
If solely one of the expenses is decreased by way of a element of 3, then the pressure is decreased with the aid of a thing of 3.
If each prices are reduced by a thing of 3, then the pressure is reduced via a issue of 9.
Answer:
s = 0.337 m
Explanation:
First, we will find the angular displacement of the reel:
where,
θ = angular displacement = ?
ω = angular speed = 1.9 rad/s
t = time taken = 7.1 s
Therefore,
θ = (1.9\ rad/s)(7.1 s)
θ = 13.5 rad
Now, we will find out the length of tape:
s = rθ
where,
s = length of tape = ?
r = radius of reel = 2.5 cm = 0.025 m
Therefore,
s = (0.025 m)(13.5 rad)
<u>s = 0.337 m</u>
Answer:
Noise making has led to loss on hearing.
Explanation:
Supposing you like engaging in parties because of the noise of the sound system it can cause loss on hearing if continued for long
The gravitational potential energy of an object depends on three things. Its mass, its height above the surface of the earth and the pull of gravity (which is assumed to always be 9.8 m/s².
The Formula for finding the GPE is : m x g x h where m = mass, g = gravitational acceleration and h is height from earth's surface.
Using this formula we can find that :
GPE= 75 x 9.8 x 300 = 220500J (where J is the SI unit for GPE and stands for Joules.
