Question

the body of mass 17 kg is attached to a string of length of 3.4 m is whirled round in vertical circle .if the tension in the string at the lowest point is 300N .calculate the speed of the body​

Answer 1

Speed of the body​ = 5.1652 m/s

Step-by-step explanation:

Given:

Mass M = 17 kg

Length of string = 3.4 m

Tension in the string = 300N

Find:

Speed of the body​

Computation:

T - mg = mv² / R... [R = L]

So,

T - mg = mv² / L

300 - 17[9.8] = [17][v]² / [3.4]

133.4 = [17][v]² / [3.4]

v² = 26.68

Speed of the body​ = 5.1652 m/s