An apparatus is designed to study insects at an acceleration of magnitude 980 m/sec2 ( ...
An apparatus is designed to study insects at an acceleration of magnitude 980 m/sec2
( 100g ) The apparatus consists of a 2.0 m long rod with insect containers at either end.
The rod rotates about an axis perpendicular to the rod and at its center. Assume that the insects move at a constant speed (undergo uniform circular motion).
(a) How fast does an insect move when it experiences a radial acceleration of 980 m/sec2?
(b) What is the angular speed of the insect?
(c) How many revolutions do they undergo in one minute?
Homework Answers
A)
Radius, r = 2/2 = 1 m
Acceleration, a = v^2/r
Velocity, v = sqrt(ar) = sqrt(980 x 1) = 31.31 m/s
B)
Angular velocity, w = v/r = 31.31/1 = 31.31 rad/sec
C)
Revolution = 31.31 x 60/2 pi = 298.94 rpm
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An apparatus is designed to study insects at an acceleration of
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