Author Question: Ten seconds after starting from rest, a freely-falling baseball will have a speed of about A) 10 ... (Read 68 times)

Mr. Wonderful · **on:** Jul 29, 2018

Ten seconds after starting from rest, a freely-falling baseball will have a speed of about

A) 10 m/s.
B) 50 m/s.
C) 100 m/s.
D) 500 m/s.
E) more than 500 m/s.

Question 2

450 nm of light falls on a single slit of width 0.30 mm. What is the angular width of the central diffraction peak?

A) 0.086
B) 0.13
C) 0.17
D) 0.26
E) 0.35