Calculate the escape speed for a spacecraft from the surface of (a) mars; and from the surface of (b) jupiter. ( the escape speed for an object at the surface of earth is 11.2 km/s ) you may want to review (pages 405 - 407) . for related problem-solving tips and strategies, you may want to view a video tutor solution of from the earth to the moon.

Which bonds are found inside a water molecule

Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?