An acceleration is evidence of ______________

Fill in the blank(s) with correct word


an unbalanced (net) force

Physics & Space Science

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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.

Physics & Space Science

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

Physics & Space Science

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?

Physics & Space Science

Photons behave like

A) waves. B) particles. C) both waves and particles. D) neither waves nor particles.

Physics & Space Science