how much heat is produced in one hour by an electric iron which draws 2.5ampere when connected to a 100V supply
1 answer:
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Answer:
The mass of the rock is
Explanation:
From the question we are told that
The length of the string is
The angular velocity is
The tension on the string is
Generally the centripetal force acting on the rock is mathematically evaluated as
making m the subject of the formula
substituting values