How many significant figures are in the measurement 230kg

Coulomb's law describes: A. the field lines around a magnetic pole. B. the behavior of electric forces between charges. C. the behavior of magnetic forces between charges. D. the field lines around a charge.

Conductivity in metallic solids is due to the presence of free

Imagine you see a rainbow. What caused the rainbow?

The energy of an electromagnetic wave is related to its amplitude. a. True b. False

We can know what elements make up a star by studying the star's

A long, thin rod parallel to the y-axis is located at x=-1.0 cm and carries a uniform linear charge density of + 1.0 nc/m. a second long, thin rod parallel to the z-axis is located at x=+1.0 cm and carries a uniform linear charge density of - 1.

A meter is measured in?

Explain why you poured the water into water before you identify the smell?

The force you exert on machine is called the?

22 What will NOT pollute the groundwater? F Motor oil spillage G Compost production H Injected radioactive waste J Lawn fertilizers