Physics, 24.07.2019 05:30 jakalacoles19
Alighter-than-air balloon and its load of passengers and ballast are floating stationary above the earth. ballast is weight (of negligible volume) that can be dropped overboard to make the balloon rise. the radius of this balloon is 6.52 m. assuming a constant value of 1.29 kg/m3 for the density of air, determine how much weight must be dropped overboard to make the balloon rise 107 m in 14.4 s.
Answers: 1
Physics, 21.06.2019 22:30
Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate
Answers: 2
Physics, 22.06.2019 09:30
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
Physics, 22.06.2019 18:30
Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
Answers: 1
Alighter-than-air balloon and its load of passengers and ballast are floating stationary above the e...
Arts, 09.02.2021 02:00
Health, 09.02.2021 02:00
English, 09.02.2021 02:00
Mathematics, 09.02.2021 02:00
Mathematics, 09.02.2021 02:00
Mathematics, 09.02.2021 02:00
Mathematics, 09.02.2021 02:00
Biology, 09.02.2021 02:00
Mathematics, 09.02.2021 02:00
Mathematics, 09.02.2021 02:00