Author Question: During each second of free fall, the speed of an object A) increases by the same amount. B) ... (Read 80 times)

aabwk4 · **on:** Jul 29, 2018

During each second of free fall, the speed of an object

A) increases by the same amount.
B) changes by increasing amounts each second.
C) remains constant.
D) doubles each second.

Question 2

In a single-slit diffraction experiment, the width of the slit is 1.90 m. If a beam of light of wavelength 610 nm forms a diffraction pattern, what is the angle associated with the second dark fringe above the central bright fringe?

A) 11.4
B) 9.35
C) 12.2
D) 39.9
E) 18.7