(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A 10kg objects rotates on a point on a wire 3 meters long at the rate of 120 rad/sec without breaking the wire.

1) What is the numeric value (and units) of the velocity vectorand2)what angle does it make with the tangent at any point?and3) What's the minimum tensile strength of wire asumming that is has a 50% safety factor? (Minimum tensile strength of the wire is 1.5 times the working tensile strength)

Please answer or help me with atleast 1 and 2

2. Relevant equations

or V=ωr or θ=S/r

3. The attempt at a solution

V=ωr

V=120(3)= 360 m/sec

α=v^2/r

α=129600/3

α= 43200

t= (Vf-Vi)/a

t=(360/43200)

t=.00833 seconds

theta=ω(t)

theta=120(.00833)= 1

please help.

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# Homework Help: Rotational Dynamics

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