A horizontal force is applied to a 2.0 kg box. The box starts from rest, moves a horizontal distance of 12.0 meters, and obtains a velocity of 8.0 m/s. The change in the kinetic energy is
A. 32 J.
B. 48 J.
C. 50 J.
D. 58 J.
E. 64 J.
E. 64 J.
Physics & Space Science
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An astronomical unit is:
A. any planet's average distance from the Sun. B. any large astronomical distance. C. Earth's average distance from the Sun. D. none of the above.
Physics & Space Science
The elliptical galaxies have compositions and shapes like the ________ of the Milky Way
Fill in the blank(s) with correct word
Physics & Space Science
The presently known laws of physics clearly describe the conditions inside a black hole's event horizon
Indicate whether the statement is true or false
Physics & Space Science
You see colors in a rainbow because of
a. interference. b. diffraction. c. specular reflection. d. dispersion. e. polarization.
Physics & Space Science