An airplane traveling at 0.425 km/s in a region where the earth’s magnetic field is and the velocity of the plane is vertical to the magnetic field. a)What is the potential difference E. M.F. induced between the ends of the airplane’s wings that are 2,800 cm apart? g

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.

The amount of potential energy possessed by an elevated object is equal to

Which of the following could represent a single-replacement reaction? a. element + compound = element + compound b. element + element = compound c. compound +compound = compound + compound d. compound = element + element