Help please please in the blanks
...
Answers: 1
Physics, 22.06.2019 17:50
Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
Answers: 1
Physics, 22.06.2019 19:00
What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?
Answers: 3
Physics, 23.06.2019 00:20
What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
Answers: 2
Physics, 23.06.2019 01:00
Nthe 19th century, women were expected to conform to a certain role that entailed a. gaining domestic skills and establishing a career b. going to college and getting married c. getting married and having children d. graduating from college and being a housewife
Answers: 1
Mathematics, 02.12.2020 05:10
Mathematics, 02.12.2020 05:10
Advanced Placement (AP), 02.12.2020 05:10
Law, 02.12.2020 05:10
Mathematics, 02.12.2020 05:10
English, 02.12.2020 05:10
Arts, 02.12.2020 05:10
Chemistry, 02.12.2020 05:10
Mathematics, 02.12.2020 05:10
Social Studies, 02.12.2020 05:10
Mathematics, 02.12.2020 05:10
Geography, 02.12.2020 05:10