Physics, 17.03.2020 18:10 paulitaaustin
(a) A box with its contents has a total mass of 30 kg. It is dropped from a very high building. After reaching terminal speed, what is the magnitude of the air resistance force acting upward on the falling box
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 23:40
A2.50 × 105 w motor is used for 26.4 s to pull a boat straight toward shore. how far does the boat move toward shore if a force of 4.20 × 104 n is applied by the motor?
Answers: 2
Physics, 23.06.2019 00:00
What energy transformations occur each time the skateboarder rolls up the ramp?
Answers: 2
(a) A box with its contents has a total mass of 30 kg. It is dropped from a very high building. Afte...
Computers and Technology, 02.03.2020 18:21
Arts, 02.03.2020 18:21
Mathematics, 02.03.2020 18:22
Computers and Technology, 02.03.2020 18:22