What is the angle of refraction when a ray of light passes from ethanol to air if the incident angle is 34°? The refractive index of ethanol is 1.36 and of air is 1.00.

A. 21

B. 34

C. 49

D. 66

The amount of energy added or removed to change the state of a substance between liquid and gas with no change in temperature

What would happen if a lightning rod on the roof of a house did not have a wire to the ground? Why?

An objects speed is 2.40 m/s, and its momentum is 120.0 kg m/s. what is the mass of the object?

What happens to a gas when its temperature decreases? A) gas becomes a plasma B) molecules move more slowly C) energy of the particles increases D) atoms in the gas are destroyed

How can magnetic and electric fields be demonstrated?

Explain the roles of Earth's own energy sources and solar energy in the rock cycle

In order to merge into highway traffic, a car accelerates along a 100.0 m on ramp from rest to 25.0 m/s. How much time does this take?

Muscle control is the ability to quickly change directions and make complex movements

According to the first law of thermodynamics, what could happen when heat is added to a system? The internal energy of the system decreases. The heat is turned into work done by the system. New energy is created within the system.

How does a parallel circuit differ from a series circuit? A. A parallel circuit has one path for electrons, but a series circuit has more than one path. B. A series circuit has one path for electrons, but a parallel circuit has more than one path. C.