Quiz Ch # 5
Physics quiz help you to prepare for exams
45 rev / min = rad / s.
For a geostationary satellite, the orbital radius measured from the center of the Earth is:
The apparent weight of a man of mass 50 kg in a lift moving upward with an acceleration of 9.8 m/sec will be.
The only natural satellite of the planet Earth revolves with an orbital speed of 1.01 km/sec at a distance of 384,000 km from the Earth's surface. What is its period of one revolution?
The geostationary satellite covers a longitude of ____ degrees.
Minimum number of communication satellites required to cover the whole earth is ____.
International Telecommunication Satellite Organization operates at ____ microwave frequencies.
When a body is whirled in a horizontal circle by means of a string, the centripetal force is supplied by ____.
If a car moves with a uniform speed of 2m/sec, in a circle of radius 0.4m its angular speed is ____.
A man of mass 5kg is falling freely, the force acting on it will be ____.
The centripetal acceleration is also called ____.
The S.I. unit of angular displacement is
Which is larger for a hoop of mass M and radius R, that is rolling without slipping - its translational or rotational kinetic energy?
The direction of angular momentum of a body moving in a circle is ____.
The value of 'g' at the center of the earth is:
A wheel of radius 2 m turns through an angle of 57.3°. It lays out a tangential distance.
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