a 5kg puppy is floating in the void of space when suddenly a 10-kg baby goat appears 100 meters away. What force acts on the puppy due to the goat's gravitational pull? What direction? What force acts on the goat due to the puppy's gravitational pull? What direction?

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What component of earth’s atmosphere exists entirely as a result of photosynthesis?

Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.