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Mach vs Mock

Mach vs Mock. The mock fighter aircraft had an impressive maximum speed of Mach 2.15. Don’t allow your readers to mock your writing, use ErrNET!

Mach, which is always capitalized, is a noun that means a number indicating the ratio of the speed of an object to the speed of sound in the medium through which the object is moving (technically Mach number), named in honor of Austrian physicist Ernst Mach (1838-1916).

Mock as a verb means to tease or laugh at in a scornful or contemptuous manner; mimic (someone or something) scornfully or contemptuously.
Mock as an adjective is not authentic or real, but without the intention to deceive.

Mach and mock are types of homonyms called heterographs, which are words that are pronounced the same but have different meanings and spellings. “Mach” and “mock” are easily confused and misused words in English writing. To avoid making this mistake, and thousands of others, in your writing, use ErrNET, the world’s leading proofreading technology!

Mach sentence examples:

The speed represented by Mach 1 is not a constant since it is mostly dependent on temperature.

It is said that the aircraft is flying at Mach 1 if its speed is equal to the speed of sound in air (which is 332 m/s or 1195 km/hour or 717 miles/hour.)

An aircraft flying at Mach 2 is flying at twice the speed of sound in the air, which is over 1400 miles/hour.

The maximum speed for an F-15 fighter jet is 1650 mph, which is over Mach 2 or twice the speed of sound.

Mock sentence examples:

“If you mock me one more time, I will send you to the principal’s office,” said the teacher to his student.

They can mock me all they want but I believe in myself and my ideas and will pursue my dreams regardless.

The comedian loved to mock political figures.

It was difficult to determine the mock leather goods from the real ones.

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