The pH scale is used to tell if a substance
is an acid or base. Substances with a pH
of 7 are...
Answers: 1
Physics, 22.06.2019 11:00, kylieweeks052704
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 1
Physics, 22.06.2019 13:00, Bbmonstr8279
What effects result when there is an impact between earth and an asteroid? check all that apply. a. massive flooding. b. extinction of many life forms. c.major earthquakes change in average global temperature. d. giant dust cloud
Answers: 3
Physics, 22.06.2019 13:30, kuddlebugsmommy
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Mathematics, 12.10.2020 19:01
Mathematics, 12.10.2020 19:01
Mathematics, 12.10.2020 19:01
Computers and Technology, 12.10.2020 19:01