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Deffense [45]
3 years ago
8

The blade of a metal cutter is shorter than that of the scissors used by tailor.why​

Physics
1 answer:
garik1379 [7]3 years ago
4 0

Answer:

It depends on the amount of pressure needed to cut your material.  Metal is a tougher material to cut though, so the blades must be shorter to create more pressure to break through the metal.  Cloth on the other hand is easier to cut through so the blades can be longer in order to cut more in each snip.

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The frequency of new cases of a disorder within a given time period is referred to as:______
artcher [175]

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<h3>What is incidence?</h3>

The prevalence of an illness over a specific time period can be calculated using the incidence metric, which measures disease prevalence. In light of this, the incidence of a disease is the quantity of newly discovered cases. An illness' incidence rate is calculated by dividing the number of people at risk for the illness by the number of new cases of the illness. Out of 200 women who participated in the study (and who were free of breast cancer at the start of the study period), five would be diagnosed with breast cancer during the course of a year. In this case, the incidence of breast cancer in this cohort would be 0.025. (Or 2,500 per 100,000 study years among women)

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7 0
1 year ago
A small grinding wheel is attached to the shaft of an electric motor which has a rated speed of 3600 rpm. When the power is turn
dolphi86 [110]

Answer:

(a) θ1 = 942.5rad, (b) θ2 = 13195 rad

Explanation:

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ω = 377rad/s

t1 = 5s

θ1 = (ω + ωo)t/2

θ1 = (377 +0)×5/2

θ1 = 942.5 rads

(b) ωo = 377rad/s

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t2 = 70s

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θ2 = (377 +0)×70/2

θ2 = 13195 rad

6 0
3 years ago
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