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1. Describe how the intensity of light changes with distance from a light source.

2. How are the secondary colors of light related to the primary colors?

Consider the addition of an electron to the following atoms from the fourth period. Rank the atoms in order from the most negative to the least negative electron affinity values based on their electron configurations. Br, Ge, Kr

Is the eccentricity of planet orbits closer to 1 or 0?

How do the forces in nuclear and chemical reactions differ? A. Both reactions only need to overcome weak electrostatic forces. B. Chemical reactions must overcome the strong nuclear force. C. Nuclear reactions must overcome much stronger forces. D.

A science museum has asked you to design a simple pendulum that will make 29.0 complete swings in 83.0 s. What length should you specify for this pendulum?

Which of the following phenomenA show the wave of electron

To remove 700 j of heat from a refrigerator, the compressor in the refrigerator does 500 j of work. How much heat is released into the surrounding room

The elements least likely to form bonds are found in group__ a) 15 b) 16 c) 17 d) 18

F a metal ball suspended by a rod is at rest, which force is responsible for balancing the force due to gravity?

If the mass of a material is 48 grams and the volume of the material is 8 cm^3, what would the density of the material be?

Your family is moving to a new house. While lifting the box 1.5 m straight up you exerted a force of 200 N for 1 second. How much work is required?