Physics, 11.02.2021 01:20, joyelewis58
An artifact was found with 3.125 grams of CARBON-14 and 96.875 grams of NITROGEN-14. If the half-life of CARBON-14 is 5730 years, then how old is the artifact?
Answers: 3
Physics, 22.06.2019 18:30, okitsfrizz6366
Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.
Answers: 1
Physics, 23.06.2019 00:20, evan1v1123
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?
Answers: 3
An artifact was found with 3.125 grams of CARBON-14 and 96.875 grams of NITROGEN-14. If the half-lif...
Mathematics, 26.10.2020 22:50
Social Studies, 26.10.2020 22:50
Mathematics, 26.10.2020 22:50
English, 26.10.2020 22:50
Physics, 26.10.2020 22:50