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svp [43]
3 years ago
11

When electrons are moving freely between many positive ions, what type of bond is occuring?

Physics
1 answer:
exis [7]3 years ago
8 0

Answer:

a metallic

Explanation:

Metal atoms are joined together by metallic bonds. Metals can form cations (positive ions) with a sea of delocalized electrons.

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An air mass that originates over land in Canada is most likely
liberstina [14]

The air mass that originates over land in Canada is most likely to be cold and dry

<u>Explanation:</u>

  • The air masses overland from a continent is usually Dry. The air masses are formed by the uneven warming and cooling of the surface of the earth by the sun gives rise to air masses.
  • Canada is affected by the five air masses they are Continental Arctic, Maritime Arctic, Maritime polar, Maritime tropical, and Continental Tropic.
  • As Canada is most likely affected by the Continental Arctic the air masses are cold and dry.

4 0
3 years ago
Read 2 more answers
You hear a thunder 3 seconds after you see lightning. How far away is the storm?
kondor19780726 [428]
3 seconds (330 m) / second =
990 meter
3 0
3 years ago
Which statement is true about the electromagnetic spectrum? The visible spectrum includes radio waves, light, and gamma rays. Th
frozen [14]

Answer: It has a range of visible and invisible forms of radiation.

Explanation:

Electromagnetic wave is defined as the wave which is associated with both electrical and magnetic component associated with them. They can travel in vacuum as well and travel with the speed of light i.e 2.998\times 10^8ms^{-1}

The electromagnetic radiations consist of radio waves, microwaves, infrared ,Visible , ultraviolet, X rays and gamma rays arranged in order of increasing frequency and decreasing wavelengths.

Only visible light is visible to naked eyes.

The relationship between wavelength and frequency of the wave follows the equation:

\nu=\frac{c}{\lambda}

where,

\nu = frequency of the wave

c = speed of light  

\lambda = wavelength of the wave

From the above relation, it is visible that wavelength and frequency follow inverse relation. For increase in wavelength, the value of frequency decreases and vice-versa.

7 0
3 years ago
A particle with charge -5 C initially moves at v = (1.00 i^ + 7.00 j^ ) m/s. If it encounters a magnetic field B =80 Tkˆ, find t
algol [13]

Answer:

The magnetic force is  \= F  =  400\r j + 2800\r i

Explanation:

From the question we are  told that

  The  charge is  q =  -5C

  The  velocity is  v  =  (1.00\ \r i +  7.00 \ \r j )\ m/s

   The  magnetic field is  B =  80 \r k \ \ T

Generally the magnetic force is mathematically represented as

        \=  F =  q  \= v  \  \  X \ \ \= B

=>     \=  F = -5  (1.0 \r i  + 7.0 \r j  ) \  \  X \ \  80 \r k

=>    \= F  =  -5.0 \r i +  35\r j  \ \ \ X \ \ 80\r k

=>  \= F  =  400\r j + 2800\r i    N/B - Applied cross - product of unit vector

8 0
4 years ago
A 1350 kg uniform boom is supported by a cable. The length of the boom is l. The cable is connected 1/4 the
olchik [2.2K]

Answer:

Tension= 21,900N

Components of Normal force

Fnx= 17900N

Fny= 22700N

FN= 28900N

Explanation:

Tension in the cable is calculated by:

Etorque= -FBcostheta(1/2L)+FT(3/4L)-FWcostheta(L)= I&=0 static equilibrium

FTorque(3/4L)= FBcostheta(1/2L)+ FWcostheta(L)

Ftorque=(Fcostheta(1/2L)+FWcosL)/(3/4L)

Ftorque= 2/3FBcostheta+ 4/3FWcostheta

Ftorque=2/3(1350)(9.81)cos55° + 2/3(2250)(9.81)cos 55°

Ftorque= 21900N

b) components of Normal force

Efx=FNx-FTcos(90-theta)=0 static equilibrium

Fnx=21900cos(90-55)=17900N

Fy=FNy+ FTsin(90-theta)-FB-FW=0

FNy= -FTsin(90-55)+FB+FW

FNy= -21900sin(35)+(1350+2250)×9.81=22700N

The Normal force

FN=sqrt(17900^2+22700^2)

FN= 28.900N

4 0
4 years ago
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