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?

What is the advantage of a free market economy?

A particle moves in a circular path of radius 0.10 m with a constant angular speed of 5 rev/s. The acceleration of the particle is: A. 0.10p m/s2 B. 0.50 m/s2 C. 500p m/s2 D. 1000p2 m/s2 E. 10p2 m/s2

9. Tarzan swings on a vine in the jungle. He takes 2.3 seconds to swing across a river once. How long is the vine?

Wo stars that are bound together by gravity and orbit a common center of mass are known as A. constellations. B. binary stars. C. galaxies. D. meteoroids.

What is a representation of the earth's surface

Which nitrogen base sequence is the partner of C-A-T-C-G-A? O C-A-T-C-G-A O G-T-A-G-C-T OT-G-C-T-A-G O G-C-A-T-G-T TI

What is the kind of energy that comes from movement?

The average kinetic energy of 1 mole of a gas at 273 degrees Celsius is: 6.81 x 103 J 3.40 x 103 J 1.51 x 103 J 6.72 x 101 J

Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature? a. BCC b. FCC c. HCP d. BCT

To rid the body of wastes, including excess water and salts" is the purpose of what human body system? A) Digestive B) Excretory C) Skeletal D) Nervous