Describing Light-Years
Use the drop-down menus to complete the statements.
The of light...
Describing Light-Years
Use the drop-down menus to complete the statements.
The of light is the rate at which light travels through empty space, or about 300,000 km per second.
A light-year is a measurement of .
The distance between stars is measured in light-years rather than in miles or kilometers because the distance between stars .
Answers: 3
Chemistry, 21.06.2019 20:30, johngayden46
Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
Answers: 2
Chemistry, 22.06.2019 16:10, 00015746
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
Answers: 2
Chemistry, 22.06.2019 16:30, Kathryn014
4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:
Answers: 1
Mathematics, 26.02.2020 19:58