4. A fireworks rocket is fired vertically upward. At its maximum height of 80.0m, it explodes and breaks into two pieces; one with mass 1.40kg and the other with mass 0.28kg. In the explosion, 860J of chemical energy is converted to kinetic energy of the two fragments. 1. What is the speed of each fragment just after the explosion
Answers: 3
Another question on Physics
Physics, 21.06.2019 19:30
Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is
Answers: 2
Physics, 21.06.2019 23:20
Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons
Answers: 1
Physics, 22.06.2019 12:40
Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?
Answers: 3
Physics, 23.06.2019 03:50
For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above
Answers: 1
You know the right answer?
4. A fireworks rocket is fired vertically upward. At its maximum height of 80.0m, it explodes and br...
Questions
Mathematics, 24.03.2020 07:32
Mathematics, 24.03.2020 07:32
History, 24.03.2020 07:32
Mathematics, 24.03.2020 07:33
Biology, 24.03.2020 07:33
Mathematics, 24.03.2020 07:33
Mathematics, 24.03.2020 07:34
Social Studies, 24.03.2020 07:34
History, 24.03.2020 07:34
Mathematics, 24.03.2020 07:34
