Question

The centripetal acceleration will be lowest at (Hint: Fan:400rpm with blade length of 60 cm, Earth: one rotation in 24hr, Radius of earth 6378 km, Jupiter: one rotation in 10hr, Radius of Jupiter is 69911 km)

Answer 1

Answer:

Time period of earth's rotation is ,T=24h=86400 s

Angular velocity, ω=2π/T

Radius of earth, r=6400km=640000m

Now, centripetal acceleration ω2r=

T

(2π)

2r=0.034m/s

2

=3.4

s

2

cm

Answer 2

Centripetal acceleration will be significantly lower at:

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• Make one change about its axis in 24 hours.
• The average speed of a point is equally approximate.
• The rotation time is, T = 24 h = 86400 s Angular velocity, ω = 2 pi / T Earth's radius, r = 6400 km = 640000 m.
• Now, centripetal acceleration.