at 2.5 seconds, the helicopter has a kinetic energy of 20 j. what is the mechanical energy at that time
Question 1 1 pts The star Qo’noS shines most brightly at 415 nanometers. Use Wien’s Law to calculate the star’s surface temperature. What is the surface
Question 1 1 pts The star Qo’noS shines most brightly at 415 nanometers. Use Wien’s Law to calculate the star’s surface temperature. What is the surface temperature of Qo’noS? Group of answer choices 4110 K 5220 K 6990 K 8670 K Flag question: Question 2 Question 2 2 pts Open