Of all elements, ________ has the most stable and tightly bound nucleus
Fill in the blank(s) with correct word
iron
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The Algol paradox is explained by considering
a. the degenerate nature of the hydrogen on the surface of the white dwarf. b. synchrotron radiation. c. the rate of expansion of the shock wave inside the supernova. d. the rotation rate of a neutron star. e. mass transfer between the two stars in a binary system.
The voltage across the input terminals of a transformer is 120 V. The primary has 50 loops and the secondary has 25 loops. The voltage the transformer delivers is
A) 30 V. B) 60 V. C) 120 V. D) 240 V. E) none of the above
With no air resistance, a projectile fired at 60° has the same range as if it were fired at
A) 15°. B) 30°. C) 45°. D) 75°.
Two charged bodies separated by a distance d exert an electrical force on each other. The distance d is doubled. The electrical force on each body is now 1/2 of the original force
a. True b. False Indicate whether the statement is true or false