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NDA General Science Physics Questions Part 1
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© examsnet.com
Question : 71
Total: 100
If the length of the Equator is about 40000 km and the velocity of rotation is about 1700 km per hour, what would be the velocity of rotation at the Pole?
[NDA II 2014]
Zero
850 km/hr
1700 km/hr
3400 km/hr
Validate
Solution:
Using
V
e
=
R
e
W
1700
k
m
h
=
20000
×
W
W
=
1700
20000
=
17
200
rotation/hour
Velocity of rotation of pole,
V
p
=
R
p
R
p
=
0
⇒
V
p
=
0
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