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Step2247 [10]
3 years ago
5

When a carbon atom and an atom of oxygen is combined, what is created? the picture is the choices

Physics
1 answer:
JulijaS [17]3 years ago
6 0
It has created a atomic mass 
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Explain in detail , four physical properties of metals​
astraxan [27]

Answer:

Explanation:

Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor. Metalloids have mixed properties which are difficult to characterize. Conductivity: Semi-conductive.

3 0
3 years ago
A current of 1.75 A flows through a 55.4 Ω resistor for 9.5 min. How much heat was generated by the resistor? Answer in units of
kirill115 [55]

Answer:

9.67\times 10^4 J

Explanation:

We are given that

Current=I=1.75 A

Resistance =R=55.4 ohm

Time=t=9.5 min=9.5\times 60=570 s

1 min=60 s

We have to find the heat generated by the resistor.

We know that

Heat=E=I^2Rt

Using the formula

Heat,E=(1.75)^2\times 55.4\times 570=9.67\times 10^{4} J

Hence, the heat generated by the resistor =9.67\times 10^4 J

6 0
3 years ago
Para que ángulo el alcance es igual a la altura máxima en un lanzamiento de proyectil ideal sobre un plano horizontal. Translati
Gemiola [76]

Answer:

<h2>76°</h2>

Explanation:

In projectile,

Maximum height = \frac{u^{2}sin^{2} \theta  }{2g} and range = \frac{u^{2}sin2\theta }{g}

u = velocity of the body

\theta = angle of launch

g = acceleration due to gravity

If the range equals the maximum height in an ideal projectile launch on a horizontal plane, this means;

\frac{u^{2}sin^{2} \theta  }{2g} = \frac{u^{2}sin2\theta  }{g}

since sin2\theta = 2sin\theta cos\theta

\frac{u^{2}sin^{2} \theta  }{2g} = \frac{u^{2}2sin\theta cos\theta }{g}\\\frac{sin\theta}{2} =2cos\theta \\sin\theta = 4cos\theta\\\frac{sin\theta}{cos\theta}  = 4\\tan\theta = 4\\\theta = tan^{-1} \\4\theta = 75.9^{0}

The angle at which the range equals the maximum height in an ideal projectile launch on a horizontal plane is approximately 76°

8 0
4 years ago
You ride on an elevator that is moving with constant upward acceleration while standing on a bathroom scale. the reading on the
Blababa [14]

The reading on the scale is greater than your actual weight.

4 0
4 years ago
Do electromagnetic waves travel through a medium
vladimir1956 [14]
No, they actually travel through the vacuum of outer space, but it also requires the absence of a material sedium.
3 0
4 years ago
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