A grindstone increases in angular speed uniformly from 4.90 rad/s to 17.0 rad/s in 3.50 s. (a) Calculate the grindstone's angular acceleration. Your response differs from the correct answer by more than 100%. rad/s (b) Through what angle does it turn during that time? rad
A grindstone increases in angular speed uniformly from 4.90 rad/s to 17.0 rad/s in 3.50 s. (a) Calculate the grindstone's angular acceleration. Your response differs from the correct answer by more than 100%. rad/s (b) Through what angle does it turn during that time? rad
Related questions
Question
2
Transcribed Image Text:A 36.0-kg child swings in a swing supported by two chains, each 3.06 m long. The tension in each chalin at the lowest point is 430 N.
(a) Find the child's speed at the lowest point.
Your incorrect answer may have resulted from roundoff error. Make sure you keep extra signifficant figures in intermediate steps of your calculation. m/s
(b) Find the force exerted by the seat on the child at the lowest point. (Ignore the mass of the seat.)
N (upward)
Transcribed Image Text:A grindstone increases in angular speed uniformly from 4.90 rad/s to 17.0 rad/s in 3.50 s.
(a) Calculate the grindstone's angular acceleration.
Your response differs from the correct answer by more than 100%. rad/s
(b) Through what angie does it turn during that time?
rad
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
