« previous next »

Author Question: The planet Venus requires 225 days to orbit the sun, which has a mass M = 1.99 1030 kg, in an ... (Read 30 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jul 28, 2018
The planet Venus requires 225 days to orbit the sun, which has a mass M = 1.99  1030 kg, in an almost circular trajectory. Calculate the radius of the orbit and the orbital speed of Venus as it circles the sun.

Question 2

When a falling meteor is at a distance above the Earth's surface of 3 times the Earth's radius, what is its acceleration due to the Earth's gravity?


Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 28, 2018
Answer to Question 1

1.08  1011 m, 34.9 km/s

Answer to Question 2

0.613 m/s2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially
A white dwarf star in orbit around Sirius (artist's impression) A white dwarf star in orbit around Sirius (artist's impression)
A very high-resolution texture of the planet Mars A very high-resolution texture of the planet Mars
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Men and women report having fewer days with stressors as they go from middle to older adulthood, and ... Men and women report having fewer days with stressors as they go from middle to older adulthood, and ...
Changes in Earth’s Orbit Changes in Earth’s Orbit
Video: Egg and Sperm Formations in Animals Animation

For a complete list of videos, visit our video library