A star is 3.95 x 10^14 km from Earth. How many days does it take for light to travel from the star to Earth? One light year is the distance light travels in one year (365 days); light travels at a speed of 3.00 x 10^8 m/s.

How many days?

What is the distance to the star in light years?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

Which three statements represent the benefits of performing experiments using computer simulations?

Elizabeth has two separate samples of the same substance. sample is in the liquid state, and the other is in the solid state. the two samples most likely differ in which property?