An infant is able to begin picking up toys and moving them around at an early age. This is an example of a baby mastering _ (blank) _. Select one: a. the second law of thermodynamics. b. potential energy. c. free energy. d. the first law of thermodynamics.

How would a small bar magnet be oriented when placed at position x?

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?