Light enters water from air at an angle of 25° with the normal, Θ1. If water has an index of refraction of 1.33, determine Θ2.

A) 18.5°

B) 34.2°

C) 31.8°

D) 71.5°

Which sentence is true about Polaris and the Sun? A) Polaris is not as bright as the Sun because it is not hot. B) Polaris seems smaller than the Sun because it is farther away. C) Polaris looks dimmer than the Sun because it is a different color.

Which is a concern about mining for uranium? -Heated water could be released into the environment. -Dust released in the air could be radioactive. -Supplies could become low during a drought.

Air resistance allow objects to develop full acceleration due to gravity true or false

How are length and volume alike

Wire of resistance 6.2 Ω is connected to a battery whose emf ε is 4.0 V and whose internal resistance is 0.38 Ω. In 2.

Does an apple, potato, and onion all taste the same if you eat them with your nose plugged? A.) Yes B.) No

Kim is cutting lengths of ribbon so that each length of ribbon equals 8 inches. How many centimeters does 8 inches equal

Which happens during the day at the beach? A. The water is warmer than the land, and air sinks over the water B. The water is cooler than the land, and air sinks over the water C. The water is warmer than the land, and air rises over the water D.

Although electric field is tangent to electric field lines, free charged particles do not necessarily move alone the field lines. Explain why not, and give a specific example illustrating your reasoning

Secondary evidence is the basis for drawing scientific conclusions is this true ir false