Help plsss I need to answer this
...
Answers: 3
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 22.06.2019 22:00
Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 × 106 m b. 2.94 × 108 m c. 7.8 × 1010 m d. 4.6 × 1013 m
Answers: 1
Physics, 23.06.2019 00:30
Which of the following statements are true for an isothermal process? check all that apply. - during an isothermal process, the work done by the gas equals the heat added to the gas. - during an isothermal process, the internal energy of the system changes. - an isothermal process is carried out at constant temperature. - an isothermal process is carried out at constant pressure. - an isothermal process is carried out at constant volume.
Answers: 1
Physics, 23.06.2019 09:50
James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. why did he expect a difference
Answers: 3
Mathematics, 11.01.2020 05:31
Physics, 11.01.2020 05:31
Mathematics, 11.01.2020 05:31
Mathematics, 11.01.2020 05:31
Mathematics, 11.01.2020 05:31
Computers and Technology, 11.01.2020 05:31
Mathematics, 11.01.2020 05:31
Social Studies, 11.01.2020 05:31
Health, 11.01.2020 05:31
Mathematics, 11.01.2020 05:31
Chemistry, 11.01.2020 05:31