The angular speed for daily rotation of the earth in rad S-1 is______________?
(A) 7.3 x 10 radians/second
(B) 7.3 x 5 radians/second
(C) 3.7 x 10 7.3 x 5 radians/second
(D) 7.3 x 10-5 radians/second
Coefficient of viscosity of honey is greater than______________?
(A) Milk
(B) Water
(C) Charcoal
(D) Water
When a body is moving along a circular path it covers a certain angle in a given interval of time. Such type of motion is__________________?
(A) Vibratory motion
(B) Linear motion
(C) Rotatory motion
(D) Angular motion
How many days would be in a year if the distance between the earth and the sun were reduced to half of its present value (assuming circular orbit) ?
(A) 365 days
(B) 730 days
(C) 329 days
(D) 129 days
A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?
(A) 9.8 N
(B) 19.6 N
(C) 129.4 N
(D) 39.2 N
Minimum number of communication satellites required to cover the whole earth is______________?
(A) 4
(B) 3
(C) 2
(D) 5
A satellite moving around the earth constitutes______________?
(A) An inertial frame of reference
(B) Non-inertial frame
(C) Neither inertial nor non-inertial
(D) Both inertial and non-inertial
A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is_______________?
(A) mg
(B) mg – ma
(C) mg + ma
(D) mg – ma