The planet closest to the sun that has a dense iron core and no moons would most likely be? . a. mars. b. mercury. c. earth. d. venus

Amachine, modeled as a simple spring-mass system, oscillates in simple harmonic motion. its acceleration is measured to have an amplitude of 5,000 mm/s with a fre- quency of 10 hz. compute the maximum displacement the machine undergoes during this oscillation.

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

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