Answers: 3
Physics, 22.06.2019 04:30
Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
Answers: 1
Physics, 22.06.2019 13:30
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
Physics, 22.06.2019 14:40
Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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
Aphoton with a frequency of 5.48 × 1014 hertz is emitted when an electron in a mercury atom falls to...
Mathematics, 27.06.2019 14:40
Mathematics, 27.06.2019 14:40
World Languages, 27.06.2019 14:40
Mathematics, 27.06.2019 14:40
Chemistry, 27.06.2019 14:40
Mathematics, 27.06.2019 14:40
Mathematics, 27.06.2019 14:50
Physics, 27.06.2019 14:50
Mathematics, 27.06.2019 14:50
English, 27.06.2019 14:50
Mathematics, 27.06.2019 14:50