Flag Mechanics> At what rate should the earth rotate so t...
question mark

Atwhat rate should the earth rotate so that the apparent g at the equator becomes zero? What will be the length of the day in this situation?

Simran Bhatia , 10 Years ago
Grade 11
anser 1 Answers
Kevin Nash

Last Activity: 10 Years ago

Sol. The apparent ‘g’ at equator becomes zero. i.e. g’ = g – ω^2 R = 0 or g = ω^2R or ω = √g/R = √9.8/6400 * 10^3 = √1.5 * 10^-6 = 1.2 * 10^-3 rad/s. T = 2π/ω = 2 * 3.14/1.2 * 10^-3 = 1.5 * 10^-6 sec. = 1.41 hour

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...