The first scientest that proposed that all things are made up of atoms

What are the two factors that determine the strength of the gravitational force between two objects? A. size and speed B. density and mass C. mass and distance D. mass and temperature

You are building a canoe, and you want to make it out of metal. which property would be most important to consider in choosing which metal to use?

If your volume measurement is only good to two significant figures, will your results be more precise if you use mass measurements that have six significant figures. Is it true?

The frequency of a steam train whistle as it approaches you is 552 Hz. After it passes you, its frequency is measured as 486 Hz. How fast was the train moving (assume constant velocity) ?

If we add 2.5 m to 350 mm the total is m

What is a compound? a poly element pure substance a homogenous mixture a single element pure substance a heterogeneous mixture

Venn diagrams are used for comparing and contrasting topics. The overlapping sections show characteristics that the topics have in common, and the sections that are unique to each topic show the characteristics that apply to only that topic.

Each of two identical objects carries a net charge. The objects are made from conducting material. One of them is attracted to a positively charged ebonite rod, and the other is repelled by the rod.

Como calcular massa volume e densidade?

What would most likely happen if the power lines in a petroleum power plant were broken? a. The petroleum would not burn. b. Steam would not be produced. c. Customers would not receive electricity. d. Energy would not be converted.