Temos os meios A e B. A luz no meio B com ângulo de incidência de 45º e n=V2, para o meio A com n=V3.

Determine:

a) o ângulo de refração;

b) A velocidade da luz no meio A.

Select the correct answer. In a given chemical reaction, the energy of the products is greater than the energy of the reactants. Which statement is true for this reaction? A Energy is absorbed in the reaction. B. Energy is released in the reaction.

1. Are BEVs or hydrogen fuel cell vehicles a more promising transportation technology for the future? 2. Should car companies be required to produce electric cars?

Shifts in the rock layer location cannot account for gaps in the rock recorp true or false

Trucks 1 and 2 are traveling at the same constant velocity but truck 1's energy due to motion is two times less than that of truck 2. This is because Truck 1's mass is:

A wire loop of radius 0.37 m lies so that an external magnetic field of magnitude 0.35 T is perpendicular to the loop. The field reverses its direction, and its magnitude changes to 0.19 T in 1.3 s.

What type of waves move energy forward, but the source makes up and down

Why do helium balloons float? Talk about density of atoms and compare to elements in the air.

Identify and describe the metal in table salt

150kg object takes 1.5minutes to travel 2,500 meter straight path it begins the trip traveling 120m/s and decelerates to a velocity of 20m/s whats its acceleration

Which statement is true about the solar system