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3 years ago

Complex carbohydrates, such as _ and _, provide the body with long-lasting energy.

Physics

2 answers:

Sauron [17]3 years ago

7 0

complex carbohydrates, such as starches and fiber, provide the body with long-lasting energy.

Hope this helps!

Alinara [238K]3 years ago

6 0

Answer:

starches; fiber

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according to isaac newtons theory of gravitation the force exerted between two objects is dependent on- A- an objects weight. B-

puteri [66]

A an objects weight hope this helps! :D

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3 years ago

A)If the rms value of the electric field in an electromagnetic wave is doubled, by what factor does the rms value of the magneti

Ghella [55]

A) The magnetic field doubles as well

The relationship between rms value of the electric field and rms value of the magnetic field for an electromagnetic wave is the following:

$E_{rms}=cB_{rms}$

where

E_rms is the magnitude of the electric field

c is the speed of light

B_rms is the magnitude of the magnetic field

From the equation, we see that the electric field and the magnetic field are directly proportional: therefore, if the rms value of the electric field is doubled, then the rms value of the magnetic field will double as well.

B) The intensity will quadruple

The intensity of an electromagnetic wave is given by

$I=\frac{1}{2}c\epsilon_0 E_0^2$

where

c is the speed of light

$\epsilon_0$ is the vacuum permittivity

$E_0$ is the peak intensity of the electric field

The rms value of the electric field is related to the peak value by

$E_{rms}=\frac{E_0}{\sqrt{2}}$

So we can rewrite the equation for the intensity as

$I=c\epsilon_0 E_{rms}^2$

we see that the intensity is proportional to the square of the rms value of the electric field: therefore, if the rms value of the electric field is doubled, the average intensity of the wave will quadruple.

7 0

3 years ago

A 25 kg mass is accelerated by a force at a rate of 5 m/s2. What is the magnitude of the force that accelerates the man?

svlad2 [7]

Force=mass*acceleration
F=ma
F=25*5
F=100 N

8 0

3 years ago

Reacting with water in an acidic solution at a particular temperature, compound A decomposes into compounds B and C according t

Diano4ka-milaya [45]

Answer:

after t = 3 hours compound A remain 0.396 M

t = 12.98 hours

Explanation:

P = P_0*e^(-kt)

t = 30 minutes = 30/60 hours = 0.5 hours

and P_0 = 0.60M

and P after t = 0.5 hours is 0.56 M

(0.56/0.6) = e^(-kt)

0.933 =e^(-kt)

k = 0.138

P = P_0*e^(-0.138t)

Now after t = 3 hours,

P = 0.6* e^((-0.138)*3) = 0.396 M

time when P = 0.1 M

0.1 = 0.6*e^(-0.138t)

t = 12.98 hours

8 0

3 years ago

What is the mass of 3 m3 of a substance having density 1200 kg/m3

adell [148]

Answer:

3600 kg

Explanation:

From the question,

Density = Mass/Volume

D = M/V.............................. Equation 1

Where D = Density of the substance, M = mass of the substance, V = Volume of the subtance.

Make M the subject of the equation

M = D×V ............................ Equation 2

Given: D = 1200 kg/m³, V = 3 m³.

Substitute these values into equation 2

M = 1200×3

M = 3600 kg.

Hence the mass of the substance is 3600 kg

4 0

3 years ago

Complex carbohydrates, such as _____ and _____, provide the body with long-lasting energy.

Complex carbohydrates, such as _ and _, provide the body with long-lasting energy.