The critical speed of an artificial satellite is_______________?

Related Mcqs:

1. An artificial satellite revolves round the Earth in circular orbit, which quantity remains constant?

   A. Angular Momentum
   B. Angular Displacement
   C. Linear Velocity
   D. None of the above

   Submitted by: Naveed Tahir

2. The value of critical angle for glass is_______________?

   A. 42°
   B. 47°
   C. 52°
   D. 50°

3. If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?

   A. 4 rad. S-1
   B. 5 rad. S-1
   C. 1.6 rad. S-1
   D. 2.8 ms-1

4. When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?

   A. mV/r2
   B. mV/r
   C. mV2/r
   D. mV2/r2

5. When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is_______________?

   A. 2π
   B. π/2
   C. π
   D. 20π

6. A train is moving with a speed of 100mph. What will be its speed in m/s.?

   A. 45 m/s
   B. 90 m/s
   C. 100 m/s
   D. 120 m/s

   Submitted by: Zahid Jagirani

7. Geostationary satellite completes one rotation around the earth in_______________?

   A. 3 hours
   B. 6 hours
   C. 12 hours
   D. 24 hours

8. 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

9. The angular speed of seconds hand of a watch in rads-1 is______________?

   A. π
   B. π/2
   C. π/30
   D. π/180

10. The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is________________?

    A. π
    B. 3π
    C. 6π
    D. 12π