How much energy would be required to accelerate a 77-kg professor from rest to 90% the speed of light? (c = 3.0 × 108 m/s)
A) 1.6 × 1019 J B) 2.1 × 1019 J C) 3.5 × 1019 J D) 2.8 × 1019 J E) 9.0 × 1019 J
E
Physics & Space Science
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Indicate whether the statement is true or false
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A sterilizing impact is one during which
A) all life on a planet is completely destroyed B) most life on the surface of a planet is destroyed but life in the oceans or beneath the surface might survive C) a planet is fragmented into pieces D) life on a planet is rendered incapable of reproduction
Physics & Space Science
Calories of the food type are equal to which of the following?
a. 4.186 J b. 4 186 J c. 1 BTU d. 1054 J
Physics & Space Science
Far from their source, electromagnetic waves are
A) elliptical waves. B) longitudinal waves. C) plane waves. D) spherical waves. E) circular waves.
Physics & Space Science