Author Question: A ball rolls off the edge of a table with an initial velocity of 20 m/s. The height of the table ... (Read 153 times)

Pineapplelove6 · **on:** Jul 29, 2018

A ball rolls off the edge of a table with an initial velocity of 20 m/s. The height of the table above the ground is 2.0 m. How long does it take the ball to reach the ground?

A) 0.49 s
B) 0.98 s
C) 0.64 s
D) 2.0 s
E) 0.32 s

Question 2

A vertically polarized beam of light of intensity 100 W/m2 passes through a polarizer with its transmission axis at 40.0 to the vertical. What is the transmitted intensity of this beam of light?

A) 100 W/m2
B) 0 W/m2
C) 25.0 W/m2
D) 44.4 W/m2
E) 58.7 W/m2