Differentait Between rational numbers and irrational number's
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Answer:
Answer
Explanation:
Rational
The numbers that can be represented as a ratio of two numbers i.e. in the form of a/b is known as rational numbers.
Irrational
The numbers that cannot be represented as a ratio of two numbers i.e. in the form of a/b is known as an irrational number.
Answer:
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In physics, energy is the quantitative property that must be transferred to a body or physical system to perform work on the body, or to heat it. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed.
Other units: kW⋅h, BTU, calorie, eV, erg, foot-pound
In SI base units: J = kg m2 s−2
SI unit: joule
Dimension: M L2 T−2
Types
The different types of energy include thermal energy, radiant energy, chemical energy, nuclear energy, electrical energy, motion energy, sound energy, elastic energy and gravitational energy.
a type of energy
Formula
What is Work, Energy and Power?
Work
Energy
Definition In physics, we can define energy as the capacity to do work.
Formula For the potential energy the formula is P.E. = mgh
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Law of conservation
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another.
Measurements
Joule
1 Joule (J) is the MKS unit of energy, equal to the force of one Newton acting through one meter. 1 Watt is the power from a current of 1 Ampere flowing through 1 Volt. 1 kilowatt is a thousand Watts. 1 kilowatt-hour is the energy of one kilowatt power flowing for one hour
