A critical aircraft part made from 7075-T651 aluminum will be prooftested to 90% of the yield strength of 496 MPa, to ensure that no large internal defects are present in the part. If the part passes the proof test, what can we assume is the largest internal crack in the part?
What will be an ideal response?
Physics & Space Science
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On average, the Milky Way forms about ________ stars per year
Fill in the blank(s) with correct word
Physics & Space Science
If the frequency of blinks for a light source appears to double as the light source approaches you, the frequency of blinks as it moves away from you at the same speed
A) is halved. B) is doubled. C) stays the same.
Physics & Space Science
A heater is rated at 1200 watts for a 120-volt source.The current drawn by the heater is 10 amperes
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
Consider a situation where two moving objects collide and rebound from each other. Internal energy
a. remains constant b. decreases c. increases d. varies but in a way that cannot be predicted
Physics & Space Science