Physics, 02.03.2020 19:23 shelbysargent11
You plan to take a trip to the moon. Since you do not have a traditional spaceship with rockets, you will need to leave the earth with enough speed to make it to the moon. Some information that will help during this problem:
mearth = 5.9742 x 1024 kg
rearth = 6.3781 x 106 m
mmoon = 7.36 x 1022 kg
rmoon = 1.7374 x 106 m
dearth to moon = 3.844 x 108 m (center to center)
G = 6.67428 x 10-11 N-m2/kg2
1)On your first attempt you leave the surface of the earth at v = 5534 m/s. How far from the center of the earth will you get?
2)Since that is not far enough, you consult a friend who calculates (correctly) the minimum speed needed as vmin = 11068 m/s. If you leave the surface of the earth at this speed, how fast will you be moving at the surface of the moon? Hint: carefully write out an expression for the potential and kinetic energy of the ship on the surface of earth, and on the surface of moon. Be sure to include the gravitational potential energy of the earth even when the ship is at the surface of the moon!
3)Which of the following would change the minimum velocity needed to make it to the moon?
a. the mass of the earth
b. the radius of the earth
c. the mass of the spaceship
Answers: 1
Physics, 22.06.2019 05:10
A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
Answers: 2
Physics, 22.06.2019 05:30
Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.
Answers: 2
You plan to take a trip to the moon. Since you do not have a traditional spaceship with rockets, you...
Mathematics, 24.06.2019 15:10
Mathematics, 24.06.2019 15:10
English, 24.06.2019 15:10
Mathematics, 24.06.2019 15:10
World Languages, 24.06.2019 15:10
Social Studies, 24.06.2019 15:10