During the Sun's main-sequence lifetime, ____
a. the solar wind will remove about 50% of the Sun's total mass
b. the solar wind will remove about 10% of the Sun's total mass
c. the solar wind will remove 1-2% of the Sun's total mass
d. the solar wind will remove a tiny fraction of the Sun's total mass
e. mass loss from the solar wind will be balanced by material falling onto the surface from the corona
d
You might also like to view...
The basic biological structures of life on Earth are called
A) cells B) bacteria C) molecules D) atoms
During a lunar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Earth between the Moon and the Sun. The Moon has a mass of 7.36 × 1022 kg; the Earth has a mass of 5.98 × 1024 kg; and the Sun has a mass of 1.99 × 1030 kg
The separation between the Moon and the Earth is given by 3.84 × 108 m; the separation between the Earth and the Sun is given by 1.496 × 1011 m. (a) Calculate the force exerted on the Earth by the Moon. (b) Calculate the force exerted on the Earth by the Sun. (c) Calculate the net force exerted on the Earth by the Moon and the Sun.
A satellite is in circular orbit at an altitude of 2300 km above the surface of a nonrotating asteroid with an orbital speed of 5.9 km/s
The minimum speed needed to escape from the surface of the asteroid is 14.6 km/s, and G = 6.67 × 10-11 N ? m2/kg2. The mass of the asteroid is closest to A) 1.8 × 1024 kg. B) 3.6 × 1024 kg. C) 2.7 × 1024 kg. D) 8.9 × 1023 kg. E) 1.3 × 1024 kg.
Particles (mass of each = 0.40 kg) are placed at the 60-cm and 100-cm marks of a meter stick of negligible mass. This rigid body is free to rotate about a frictionless pivot at the 0-cm end. The body is released from rest in the horizontal position. What is the magnitude of the initial linear acceleration of the end of the body opposite the pivot?
a. 15 m/s2 b. 9.8 m/s2 c. 5.8 m/s2 d. 12 m/s2 e. 4.7 m/s2