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kykrilka [37]
3 years ago
12

Which of the following is the number 0.0000302 written in scientific notation?

Physics
1 answer:
lana [24]3 years ago
7 0

Answer:

3.02 x 10⁻⁵  unit

Explanation:

  • The numbers written in scientific notations have some rules to follow.
  • If the scientific values are expressed in exponential powers of 10, the integer value should be between 1 and 9.  The respective powers will be added to the exponential order.
  • The scientific notation is the convenient form of expressing the scientific values that could be easily used in the calculations.
  • The digits after the decimal point are used according to the resolution of the scientific values.
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An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.1 MJ when the flywheel is rotating at 14
nikklg [1K]

Incomplete question.The complete question is here

An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.1 MJ when the flywheel is rotating at 14000 revolutions per minute.What is the moment of inertia of the flywheel?

Answer:

Moment of inertia=3.82 kg.m²

Explanation:

Given data

Energy E=4.1 MJ=4.1×10⁶J

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To find

Moment of Inertia

Solution

A rotating flywheel must store its energy as kinetic energy

Let I be moment of inertia of the flywheel.We Know

E(Energy)=\frac{1}{2}Iw^{2}\\  I=\frac{2E}{w^{2} }\\ I=\frac{2(4.1*10^{6}) }{(1465.3)^{2} }\\ I=3.82 kgm^{2}

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4 years ago
In order of decreasing light-transmitting capabilities of materials,which is correct sequence?
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==>  Quite easy for light to get through.
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If this doesn't match any of the sequences that appear with your question,
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5 0
4 years ago
Read 2 more answers
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