Household Paint Is it a pure substance or a mixture and why

A student is given a small object that is hanging from a ring stand on a nylon thread. The student attempts to charge the object electrically in several ways. Based upon his results, he concludes the object is made of an insulating material.

Electric fields exist at a distance from two [blank] spheres. a) magnetic b) neutral c) charged

If the temperature of this balloon were to decrease suddenly, how would the balloon change? A. Its mass would increase. B. Its mass would decrease. C. Its volume would increase. D. Its volume would decrease.

An object travels 15 m in 3 s what is its speed?

Consider the position of a particle moving in three dimensional space to be given by the position vector r = 2.5 t 3 i - 10 t 2 j + 4.00 to, where r is meters and t in seconds. What is the magnitude of the acceleration of the particle at t = 1.0 s?

What is a subduction zone? a place where one plate is pushed down under another, such that it melts into the mantle a place where two plates collide and mountains form a place where hot material from the core rises through the mantle a place where

The half-life of cobalt-60 is 5 years. How old is a sample of cobalt-60 if only one-eighth of the original sample is still cobalt-60? 5 years 10 years 15 years 20 years

When an object has a net force of zero, then it is said to be in what?

How is an electric current carried? by moving current in one direction by changing directions of the current by moving electrons in a wire by changing electrons into current

Which of the following is the term for a very fine soil that is high in nutrients, that is easily compacted, and that often occurs in areas with regular flooding? clay loam peat silt