Here\'s the problem I need help with: To throw the discus, the thrower holds the

Question

Here's the problem I need help with:

To throw the discus, the thrower holds the discus with afully outstretched arm and makes one revolution as rapidly aspossible to give maximum speed to the discus at release. Thediameter of the circle in which the discus moves is about 1.24 m.If the thrower takes 1.12 s to complete one revolution, startingfrom rest, what will be the speed of the discus atrelease?

This is a problem just like it below. The answer is 11 m/s, butthere isn't a similar problem to work off of.

To throw the discus, the thrower holds the discus with a fullyoutstretched arm and makes one revolution as rapidly as possible togive maximum speed to the discus at release. The diameter of thecircle in which the discus moves is about 1.8 m. If the throwertakes 1.0 s to complete one revolution, starting from rest, whatwill be the speed of the discus at release?

Explanation / Answer

The distance travelled for one revolution is d=2r=2*0.62 The time taken is t=1.12s The velocity obtained is v=d/t=3.5m/s This is what we get it.

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