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

Related Mcqs:

1. If a wheel of radius r turns through an angle of 30° then the distance through which any point on its rim moves is______________?

   A. π /3 x r B. π/6 x r C. V/30 x r D. π / 180 x r...

2. 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...

3. 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...

4. Linear momentum of a photon is_______________?

   A. zero B. hv/c2 C. hv/c D. c2/hv...

5. The linear momentum of an X-ray photon of wavelength 0.1A is_______________?

   A. 6.625x1023N-s B. 66.25x1023N-s C. 662.5x1023N-s D. data is insufficient...

6. 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...

7. 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...

8. hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?

   WA. 180° B. 0° C. 90° D. 45°...

9. The critical speed of an artificial satellite is_______________?

   A. 8 Kms-1 B. 8.1 Kms-1 C. 7.9 Kms-1 D. 8 ms-1...

10. The acceleration of a projection on the diameter for a particle moving along a circle is_______________?

    A. w2x B. wx2 C. w2x D. wx2...