An acceleration is evidence of ______________
Fill in the blank(s) with correct word
an unbalanced (net) force
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The tensile strength of 99.8 % dense sintered alumina is 205 MPa, in comparison to a tensile strength of 125 MPa for 85 % dense sintered alumina. The value of the KIc for the alumina is 4 MPa?m1/2. Compare the defect lengths in these two alumina materials, assuming that the fracture is caused by existing internal cracks.
What will be an ideal response?
Photons behave like
A) waves. B) particles. C) both waves and particles. D) neither waves nor particles.
Can an element decay "forward" in the periodic table, to a higher atomic number?
A) No, in fact elements cannot alter their atomic number by radioactive decay. B) No, but an element can decay to a lower atomic number. C) Yes, by alpha decay. D) Yes, this can occur by means of both beta decay and alpha decay. E) Yes, by beta decay.
If a twin goes on a trip in a high speed rocket ship, when she returns home she will be younger than her twin sister who did not go on the trip because of the special relativistic effect of __________
Fill in the blank(s) with correct word