help 2 Two flies land on a spinning record. One fly, A, lands at the edge of the
ID: 3307595 • Letter: H
Question
help
2 Two flies land on a spinning record. One fly, A, lands at the edge of the record at distance, t. The second ty, B, lands on a spot that is at r. What is the relative speed of By B comparedvo ily A a Fly B moves at the same speed as fly A. Fly B moves at a speed that is the speed of fly A. c. Fly B moves at a speed that is ¼ the speed of fly A. d. Fly B moves at a speed that is twice the speed of fly A. e. Fly B moves at a speed that is four times the speed of fly A. Ridr) a rider finds herself pressed with her bacExplanation / Answer
Here ,
as the angular speed of the disk is w
speed of the flies after landing on the record
v = r * w
speed of fly A = r * w
speed of fly B = r/2 * w
hence , the correct option is b
b) fly B moves at a speed that of 1/2 of speed of A
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.