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Oduvanchick [21]
4 years ago
14

What is the correct name for this formula: SiO2?

Physics
2 answers:
ZanzabumX [31]4 years ago
7 0

Silicon dioxide, also known as silica, silicic acid or silicic acid anydride is an oxide of silicon with the chemical formula SiO₂, most commonly found in nature as quartz and in various living organisms. In many parts of the world, silica is the major constituent of sand.

Brrunno [24]4 years ago
6 0
Silicon Dioxide is the answer
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Self-registering thermometers are used for:
Angelina_Jolie [31]

Self-registering thermometers are used for temperature or depth profile. It registers the maximum and minimum temperature of the substance occurring in the interval of time between two consecutive settings of the instrument.

5 0
3 years ago
A hoodlum throws a stone vertically downward with an initial speed v0 from the roof of a building, a height h above the ground.
Vaselesa [24]
V2=u2+2as
v2=144+600
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6 0
4 years ago
On land, coal is transported primarily by train. A typical large coal train may be about 1.5 km long and may consist of 120 cars
WINSTONCH [101]

Answer:

equivalent power = 6.60 × 10^{12} W

Explanation:

given data

coal train length = 1.5 km = 1500 m

contain = 120 cars

holding= 110 tonnes of coal each

train traveling speed = 100 km/h = 27.78 m/s

to find out

equivalent power in watts

solution

we take here energy produce by coal is 27 ×  10^{6} J/kg

and here total coal = 120 × 110  × 10³ kg

sop here energy produce by total coal is

energy produce by total coal = 27 ×  10^{6} × 120 × 110  × 10³  

and time required to cross that distance is

time = \frac{distance}{speed}    

time = \frac{1500}{27.78}  

time = 53.99 sec

so here equivalent power will be

equivalent power = \frac{energy}{time}  

equivalent power = \frac{27*10^6*120*110*10^3}{53.99}  

equivalent power = 6.60 × 10^{12} W

6 0
3 years ago
A thunderclap sends a sound wave through the air and the ocean below. The
marysya [2.9K]

Answer:

C. 14.93 m

Explanation:

The given frequency of the wave, f = 100 Hz

The given equation for the wave speed, <em>v</em>, is presented as follows;

v = f × λ

The speed of sound in water, v = 1,493 m/s

Therefore, we get;

The wavelength, λ = v/f

∴ λ = 1,493 m/s/(100 Hz) = 14.93 m

The wavelength, λ = 14.93 m.

8 0
3 years ago
PLZ help !!!!!!!!!!!!!!! its due today
Alja [10]

Answer:

3

Explanation:

5 0
3 years ago
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