Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Promoted
A driver, traveling at80 km/h, brakes her 2000 kg truck to stop for a red light.How much internal energy is produced?
2 Answers
Relevance
- Anonymous1 day ago
E = initial KE = ½mv² = ½ * 2000kg * (80/3.6 m/s)² = 4.94E5 J
which I would round to 500 kJ based on the data.
Still have questions? Get your answers by asking now.