Physics, 19.07.2019 01:30 johnnybones03
Aspring-loaded gun can fire a projectile to a height h if it is fired straight up. if the same gun is pointed at an angle of 45◦ from the vertical, what maximum height h45◦ can now be reached by the projectile
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Physics, 22.06.2019 17:40
Which component of the earth’s atmosphere is decreased due to photosynthesis?
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Physics, 22.06.2019 18:30
Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?
Answers: 1
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
Aspring-loaded gun can fire a projectile to a height h if it is fired straight up. if the same gun i...
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