If humans only have three kinds of color photo-receptors, how can we see so many different colors?

If a spring stores 33.5 J of energy when it's compressed by 0.13 m, what is the spring constant of the spring?

Most of the bright stars in our galaxy are located in the galactic

Volcanic belts form along a. islands in the Pacific Ocean. b. North American mountain ranges. c. the boundaries of Earth's plates. d. the coast of Antarctica.

Cumulus and cumulonimbus clouds are most likely to be formed by what

If an object moved in the same direction and at a constant speed for 4 hours, which of the following is true? a. the object's speed changed during the 4 hours b. the object; s velocity did not change c. the object accelerated during the 4 hours d.

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.

A 2kg blob of putty moving at 4 m/s slams into a 6kg blob of putty at rest what is the speed of the to stick together blobs immediately after colliding

A stone is thrown vertically upward with a speed of 12m/s from the edge of a cliff 70 m high (a) How much later it reaches the bottom of the cliff? (b) What is its speed just before hitting? And (c) what total distance did it travel? (Ans: 5.

After completing a career search, Patrick has decided that he wants to be a paralegal. Which two skills or abilities are important for him to have in order to excel in this career?