You roll a ball off a table and at the same time drop a second ...

[biggirl4568]

You roll a ball off a table and at the same time drop a second ball straight down from the edge of table. The second ball reaches the ground ____________ the first ball reaches the ground.
 a. before
  b. at the same time that
  c. after
  d. before or after, depending on the masses,
  e. cannot be determined

Question 2

A schematic of a simple laser is shown here. Which of the following are characteristics of light produced by a laser?
 a. Very narrow range of wavelengths.
  b. Highly directional beam.
  c. Very intense beam.
  d. Light that is coherent.
  e. All of the above.

[Sweetkitty24130]

Answer to Question 1

B

Answer to Question 2

e

[biggirl4568]

TYSM

[nothere]

Excellent