If the refraction index of amber is 1.55, what is the speed of light through amber? (The speed of light through a vacuum is 3.00 x 108 m/s)

1.94 x 108 m/s

0 m/s

4.65 x 108 m/s

5.17 x 10-9 m/s

You have just collected data and discover that the stopwatch you uesd is not working properly. which of the following is the best coures of action? a. repeat the experiment using a stopwach that functions correctly. b.

A friend tells you a way to estimate how far away a lightning bolt strikes. You count the number of seconds between seeing the flash and hearing the thunderclap. Then you divide that number by five to get a distance in miles.

A visible disturbance propagates around a crowded soccer stadium when fans, section by section, jump up and then sit back down.

A car traveling at 4.0 m/s has a constant acceleration of 2.0 m/s2. after 3.0 seconds, the average velocity during the acceleration is

Two identical balls are at rest and side by side at the top of a hill. You let one ball, A, start rolling down the hill. A little later you start the second ball, B, down the hill by giving it a shove.

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started

The elements with the largest atomic radii are found in the

Students will explain, distinguish the difference between the 4 states of matter