This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Two planets have the same surface gravity, but planet B has twice the mass of planet A. If planet A ... (Read 204 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
on: Jul 29, 2018
Two planets have the same surface gravity, but planet B has twice the mass of planet A. If planet A has radius r, what is the radius of planet B?
 
  A) r B) r C) 2r D) 4r E) r/

Question 2

A soccer ball is released from rest at the top of a grassy incline. After 6.4 seconds the ball has rolled 91 m with constant acceleration, and 1.0 s later it reaches the bottom of the incline.
 
  (a) What was the ball's acceleration?
  (b) How long was the incline?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

a) 4.4 m/ (b) 120 m


Lobcity

  • Member
  • Posts: 524
Reply 2 on: Jul 29, 2018
Wow, this really help

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

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?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
Location of the Planets Relative to the Sun Location of the Planets Relative to the Sun
Pressure is a result of the atmosphere’s mass. Pressure is a result of the atmosphere’s mass.
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ... Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ... A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ...
Calculating the lateral surface area of a right prism Calculating the lateral surface area of a right prism
Video: DNA Replication Factory and Protein

For a complete list of videos, visit our video library