A Force of 15 $\times$ 10⁶ N/m² $\times$ 10⁶ N/m² $\times$ 10⁶ N/m² $\times$

question 91

Multiple Choice

A force of 15.0 N is applied to a wire with a diameter of 2.00 mm.If the wire changed length by 1.20 mm,then the stress in the wire is

• A) 4.77 \(\times\) 10⁶ N/m².
• B) 5.38 \(\times\) 10⁶ N/m².
• C) 6.73 \(\times\) 10⁶ N/m².
• D) 7.27 \(\times\) 10⁶ N/m².
• E) 8.75 \(\times\) 10⁶ N/m².

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Definitions:

Null Hypothesis

A hypothesis that suggests there is no statistical significance between the two variables being studied.

Rejecting

In statistical hypothesis testing, it refers to the act of dismissing the null hypothesis based on the level of significance and the test statistic.

Type I Error

The error of incorrectly dismissing a true null hypothesis, often referred to as a "false positive" in the context of hypothesis testing.

Innocent Person

An innocent person is someone who has not committed a crime or any offence they are accused of.