Two rocks, each of mass 72 kg, are positioned 95 m away from each other in deep space. What is the magnitude of the gravitational attraction between them? G=6.674 x 10^-11 N*m^2/kg^2. 3.8 x 10-12N

9.8 x 10-11N

3.0 x 10-10N

3.8 x 10-11N

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

Select the correct answer. what does the process of natural selection involve?

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.