An automobile moving along a straight track changes its velocity from 40 m/s to 80 m/s in a distance of 200 m. What is the (constant) acceleration of the vehicle during this time?
a. 8.0 m/s
b. 9.6 m/s
c. 12 m/s
d. 6.9 m/s
e. 0.20 m/s
c
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The work you do when pushing a shopping cart twice as far while applying the same force is
A) half as much. B) twice as much. C) four times as much. D) the same amount.
A combination of colors adjacent to each other on the color wheel creates a significant amount of contrast.
Answer the following statement true (T) or false (F)
Carbon dioxide dominates the atmospheres of Venus and Mars, but on Earth most of it lies underground as ________
Fill in the blank(s) with correct word
Two sources of light illuminate a double slit simultaneously. One has wavelength 570 nm and the second has an unknown wavelength. The m = 5 bright fringe of the unknown wavelength overlaps the m = 4 bright fringe of the light of 570 nm wavelength
What is the unknown wavelength? A) 456 nm B) 326 nm C) 380 nm D) 713 nm