A30.0 kg object rests on a flat, frictionless surface. a rope lifts up on the object with a force of 309 n. what is the acceleration of the object?

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic