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VARVARA [1.3K]
3 years ago
8

Write down the units for the following physical quantities:

Physics
1 answer:
tamaranim1 [39]3 years ago
4 0
Only one I know

Acceleration- KG
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The ratio of the speed of light in a medium to the speed of light in a vacuum is called its ______________ index.
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The ratio of the speed of light v in a medium to the speed of light in a vacuum c is called its Refractive Index n
v/c=n
Different substances have different Refractive Indices (plural of Index). Values are always bigger than 1.
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3 years ago
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A sample of chloroform is found to contain 12.0 g of carbon, 106.4 g of chlorine, and 1.01 g of hydrogen. If a second sample of
GREYUIT [131]

Given:

Sample 1:

Chloroform is CHCl_{3}

12 g Carbon

1.01 g Hydrogen

106.4 g Cl

Sample 2:

30.0 g of Carbon

Solution:

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12 + 1.01 +106.4 =119.41 g

Now, for the total mass of chloroform in sample 2:

mass of chloroform \times\frac{given mass of carbon}{mass of carbon atom}

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3 years ago
A defibrillator containing a 18.4 μF capacitor is used to shock the heart of a patient by holding it to the patient's chest. Jus
gregori [183]

Answer:

The energy E is 1603.008 J.

Explanation:

Given that,

Capacitor = 18.4 μF

Voltage = 13.2 kV

We need to calculate the energy

Using formula of energy

E=W=\int{Q}\ dV.....(I)

We know that,

Q=CV

Put the value of Q in equation (I)

E=\int{CV}dV

On integration

E=\dfrac{CV^2}{2}

Put the value into the formula

E=\dfrac{18.4\times10^{-6}\times(13.2\times10^{3})^2}{2}

E=1603.008\ J

Hence, The energy E is 1603.008 J.

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4 years ago
What do radio waves carry
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3 years ago
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Calculate the Kinetic energy of an object with a mass of 15kg while sitting on a shelf that is 20m high.
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Kinetic energy is energy of motion. If the object is sitting still, then it has no kinetic energy. It doesn't matter what its mass is, or how high the shelf is.

KE = 0

6 0
3 years ago
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