Why do scientists use two different models of light

A traveling electromagnetic wave in a vacuum has an electric field amplitude of 50.9 V/m. Calculate the intensity? of this wave. Then, determine the amount of energy? that flows through area of 0.0277 m2 over an interval of 11.

How does social science inquiry advance and evolve over time?

Compared to a plane gravitational pull on the ground to 7 miles in sky is what

A criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 4.2 m/s, hoping to land on the roof of an adjacent bullding Air resistance is negligible.

Which statements belong to dalton's atomic theory? select all that apply 1.) Atoms have a massive, positively charged center. 2.) Atoms cannot be created or destroyed. 3/) Atoms cannot be broken down into smaller pieces. 4.

7. What type of mineral can scratch glass, but cannot scratch steel? A. Gypsum B. Diamond C. Feldspar D. Fluorite

What factors determine the electrostatic force between two objects?

How many watt-hours does a 80 watt light bulb use if it runs for 3.5 hours?

A series circuit contains two devices, one with a resistance of 10 ohms and one with a resistance of 4 ohms. If the generator supplies a voltage of 42 V, what is the magnitude of the current? A. 2 A B. 3 A C. 1.75 A D. 1.33 A

What is the relationship between speed and the slopes of the lines on a graph