Which best describes a difference between energy transformations in power plants and dams?
Only power plants use fossil fuels to transform energy,
Only dams use fission to generate thermal energy.
Only power plants use water to turn turbines.
Only dams use mechanical energy to produce electricity

What is the maximum acceleration of the wing tips, in units of g?

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2