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Complete Question
The angular speed of an automobile engine is increased at a constant rate from 1120 rev/min to 2560 rev/min in 13.8 s.
(a) What is its angular acceleration in revolutions per minute-squared
(b) How many revolutions does the engine make during this 20 s interval?
rev
Answer:
a
b
Explanation:
From the question we are told that
The initial angular speed is
The angular speed after is
The time for revolution considered is
Generally the angular acceleration is mathematically represented as
=>
=>
Generally the number of revolution made is is mathematically represented as
=>
=>