once a hypothesis is tested an confirmed and then tested again and confirmed again by many others, it may provide the basis for, or become a part of, a what?

What are the three longest wavelengths for standing sound waves in a 121-cm-long tube that is (a) open at both ends and (b) open at one end, closed at the other?

Which of the following is a form of kinetic energy? A. gravitational potential energy B. thermal energy C. light energy D. elastic energy

How are objects around you affected by the mass of earth

Terry, a 70-kilogram tailback, runs through his offensive line at a speed of 7.0 m/sec. Jared, a 100-kilogram linebacker, running in the opposite direction at 6.0m/s, meets Jared head-on and "wraps him up." What is the result of this tackle?

Which technique have farmers used for centuries to produce animals more suited for their needs? A. genetic engineering B. selective breeding c. creating mutations d. gene therapy

On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. It strikes a red glider that has mass 0.600 kg and that is initially at rest.

f a wave has a wavelength of 9 meters and a period of 0.006, what is the velocity of the wave? A. 1,200 m/s B. 1,500 m/s C. 1,800 m/s D. 1,285 m/s

Using your own words, what is Net Force? What general statement can you make about the relationship between net force and how fast an object changes it's speed?

Define valence electrons and identify the number of valence electrons in an element using periodic table.

What is the phenomenon thats occours when two waves (blank) while traveling along the same medium