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A string can withstand a tension of 25 N. What is the greatest speed at which a body of mass 1 kg can be whirled in a horizontal circle using 1 m length of the string? A. 25 ms-1 B. 5 ms-1 C. 75 ms-1 D. 10 ms-1

A string can withstand a tension of 25 N. What is the greatest speed at which a body of mass 1 kg can be whirled in a horizontal circle using 1 m length of the string?
A. 25 ms-1 B. 5 ms-1 C. 75 ms-1 D. 10 ms-1

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

The answer is option b

Regards
Vikas TU
14149 Points
one year ago
mv^2 / R = 25 N 
Vmax = 5 m/s 
R = 1 …...................................................................................

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