A3.97 kg ball is dropped from the roof of a building 178.7 m high. while the ball is falling to earth, a horizontal wind exerts a constant force of 12.3 n on the ball. how long does it take to hit the ground? the acceleration of gravity is 9.81 m/s² . answer in units of s.
Answers: 3
Physics, 22.06.2019 21:00
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.
Answers: 1
Physics, 22.06.2019 22:30
Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation
Answers: 3
Physics, 22.06.2019 23:30
Forms of meditation hail from which traditions a ) eastern traditions b ) western traditions c ) eastern and western traditions d ) neither eastern nor western traditions
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Physics, 23.06.2019 00:30
3. which is not a primary color of light? blue red green yellow
Answers: 1
A3.97 kg ball is dropped from the roof of a building 178.7 m high. while the ball is falling to eart...
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