A spherical planet has twice the mass and twice the radius of the earth. if a man weighs 810 n on earth, what would his weight be on the surface of that planet?

Is gravity a property of mass?

Which eating disorder is characterized by eating large amounts of food at one sitting and then purging? A: orthorexia B:anorexia nervosa C: bulimia nervosa D: binge - eating disorder

A brief explanation on how TV uses radio waves. i just don't really know how to word it.

You heat a mug of water to make hot chocolate. Which statement best describes the changes in the water? A. The kinetic energy of the particles increases as the temperature increases. B.

Identify two organisms below that share the same trophic level.

Which will have the greatest effect on power consumption A.) add more circuit brakes and fuses B.) turn on all electric devices in a circuit C.) turn on only the electrical devices that use the most watts D.

13. Which best summarizes the change in number and size of microcontinents during the Proterozoic? a. the number of microcontinents increased and the size increased b. the number of microcontinents increased and the size decreased c.

What is the 3d model of oxygen molecule

If you need to drive from Dallas, Texas, to Salt Lake City, Utah, (about 1500 miles), and the speed limit is 60 miles per hour most of the way, what is the least amount of time you will need? A. 4 hours B. 25 hours C. 2.5 hours D. 90,000 hours

Which of the following statements about the Coriolis effect is correct? a. The Coriolis effect is not affected by wind speed. b. The Coriolis effect is weakest at the poles. c. The Coriolis effect does not affect wind direction. d.