Why is sea-floor spreading and deep-ocean trenches similar?

Does friction cause mechanical energy to change to thermal energy

Which of the following elements is a metalloid? a. copper b. helium C. phosphorus d. germanium

A negative ion is (larger/smaller) than its parent atom

Which of the following is not a unit in a newton

A certain rifle bullet has a mass of 6.45 g. Calculate the de Broglie wavelength of the bullet traveling at 1313 miles per hour.

Select the correct comparison between science and technology. A. Science influences technology, but technology does not influence science. B. Science does not influence technology, but technology influences science. C.

Which statement is most clearly objective? a. according to hernandez, i believe pilots must retire in their 60s. b. walters argues that no american in society is truly an island. c. the strongest aspect of cunningham's argument is the research. d.

Kinetic energy is defined as ½ mv2, where m is the mass of the object, and v is the velocity (or speed). Two gas molecules have the same kinetic energy, but molecule X has four times the mass of molecule Y. What can you say about their speeds?

What is the valure of work done on an objectwhen a 50newton force moves it 15 metrs in thesame dirction as the force

IF a rock has a mass of 92,224 kg, what is it's weight?