Consider a planet with a radius of 4,000 km. moons of the same density as the planet will break up if their orbits move within what distance of the planets center?
a. 2,400 km
b. 4,800 km
c. 9,600 km
d. 19,200 km

** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils

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

How are elastic and inelastic collisions different? give two or more ways. your answer should have at least 2 sentences.