Answer:
227.9MPa
Explanation:
Length of the flaws is given by
2b = 5.8microns
b = 2.9 × 10⁻⁶m
The relation between the radius of curvature and length and width of the elliptical flaw
Equation for stress at the tip of an elliptical surface flaw
Mrs. Buckley asked her physical science class to look at the graph and tell which of the following explanations are most likely
true.
Option A: From 12 to 24 minutes the bicyclist was coasting down a hill.
Option B: At 35 minutes the bicyclist was not moving.
Option C: From 6 to 12 minutes the bicyclist was increasing his speed.
Option D: From 24 to 30 minutes the bicyclist was traveling down a steep hill. Question 8 options:
All of the options are most likely true.
Only option C is true.
Option A and B are true.
Option C and D are true.
Option A: From 12 to 24 minutes the bicyclist was coasting down a hill.
Option B: At 35 minutes the bicyclist was not moving.
Option C: From 6 to 12 minutes the bicyclist was increasing his speed.
Option D: From 24 to 30 minutes the bicyclist was traveling down a steep hill. Question 8 options:
All of the options are most likely true.
Only option C is true.
Option A and B are true.
Option C and D are true.
2 answers:
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Explanation:
Given data
Velocity v=3 m/s
Water volume flow rate V=590 m³/s
Water elevation z=90 m
Water density p=1000 kg/m³
First we need to determine the energy per unit mass
So
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