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DedPeter [7]
1 year ago
14

A piece of wood is has a density of 0.6 g/cm3. when dipped in olive oil of density 0.8 g/cm3, what fraction of the wood is subme

rged inside the oil?
Physics
1 answer:
Debora [2.8K]1 year ago
7 0

A piece of wood is has a density of 0.6 g/cm3. when dipped in olive oil of density 0.8 g/cm3, 0.75 fractions of the wood is submerged inside the oil.

Fractions describe any number of parts of a whole, or more generally equal parts.In everyday English, fractions describe how many parts of a particular size there are. 8, 3/4.

In mathematics, fractions are used to represent proportions/parts of a whole. represent the same part of the whole. A fraction has two parts, a numerator and a denominator. The top number is called the numerator and the bottom number is called the denominator. A fraction is a part of a whole number and a way of dividing a number into equal parts. It is described as the number of equal parts counted (called the numerator) to the number of whole parts called the denominator. These numbers are separated by dashes.

Learn more about  fractions here

brainly.com/question/17220365

#SPJ4

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What physical properties of nylon and leather make them good materials to use for shoelaces? A. high density and low conductivity B. durability and flexibility C. hardness and durability D. low viscosity and flexibility.

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The surface charge density on an infinite charged plane is −1.70 x 10^−6 C/m^2 . A proton is shot straight away from the plane a
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Answer:

Acceleration of proton will be -9.197\times 10^{12}m/sec^2

Explanation:

We have given surface charge density of an infinite charged plate \sigma = -1.70\times 10^{-6}C/m^2

Electric field due to infinite sheet charge is given by E=\frac{\sigma }{2\epsilon _0}=\frac{-1.7\times 10^{-6}}{2\times 8.85\times10^{-12}}=-0.096\times 10^6=-9.6\times 10^4N/C

Charge in proton is given by e=1.6\times 10^{-19}C

So force on proton F=qE=1.6\times 10^{-19}\times -9.6\times 10^4=-15.36\times 10^{-15}N

Mass of proton m=1.67\times 10^{-27}kg

According to newtons second law force F = mass × acceleration

So -15.36\times10^{-15}=1.67\times 10^{-27}a

a=-9.197\times 10^{12}m/sec^2

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The biodiversity of cultivated crops is currently under threat
Angelina_Jolie [31]

C. Establishing a seed bank with a variety of seeds of

different crop species

Explanation:

Establishing a seed bank with a variety of seeds of different crop species is a cooperative behavior that would best enable humans to prevent the problem of loss of biodiversity of cultivated crops.

  • Modern agricultural practices is profit driven and centered on mono-cropping.
  • Mono-cropping is an agricultural practice in which only one crop type is cultivated on a mechanized scale.
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