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
I need physics help please?
A 525 g ball swings in a vertical circle at the end of a 1.0 m-long string. When the ball is at the bottom of the circle, the tension in the string is 21 N. What is the speed of the ball at that point?
1 Answer
Relevance
- 1 decade agoFavorite Answer
centripital force= mass(kg) x velocity squared / radius
21=.525 x v^2 / 1
square root of (21 x 1 / .525)
Source(s): A in physics
Still have questions? Get your answers by asking now.