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A wheel starting from rest is uniformly ...

A wheel starting from rest is uniformly accelerate at `4rad/s^2` for 10 seconds. It is allowed to rotate uniformly for the next 10 seconds and is finally brought to rest in the next 10 seconds. Find the total angle rotated by the wheel.

A

200 rad

B

400 rad

C

300 rad

D

480 rad

Text Solution

Verified by Experts

The correct Answer is:
D
`theta = omega_(0)t +1/2 alpha t^(2)`
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NARAYNA-SYSTEM OF PARTICLES AND ROTATIONAL MOTION -EXERCISE - II (C.W)
  1. A stationary wheel starts rotating about its own axis at an angul...

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  2. A circular disc is rotating about its own axis at a uniform angular ve...

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  3. A wheel starting from rest is uniformly accelerate at 4rad/s^2 for 10 ...

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  4. Two points P and Q ,diametrically opposite on a disc of radius R...

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  5. A shaft is turning at 65rad//s at time zero. Thereafter, angular accel...

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  6. Average torque on a projectile of mass m (initial speed u and angle of...

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  7. A metal rod of uniform thickness and of length 1m is suspended at its ...

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  8. A roller of mass 300kg and of radius 50cm lying on horizontal floor is...

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  9. Two persons P and Q of same height are carrying a uniform beam of leng...

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  10. A metallic cube of side length 1.5m and of mass 3.2 metric ton is on h...

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  11. Two identical circular plates each of mass 0.1 kg and radius 10 ...

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  12. A thin rod of mass M and length L is bent into a circular ring. The ex...

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  13. Moment of inertia of a thin circular plate of mass M, radius R about a...

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  14. Two spheres each of mass M and radius R/2 are connected with a ma...

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  15. The ratio of radii of two solid spheres of same material is 1:2. The r...

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  16. I is moment of inertia of a thin circular ring about an axis perpendic...

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  17. The moment f inertia of a solid cylinder about an axis parallel to...

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  18. The radius of gyration of rod of length L and mass M about an axis per...

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  19. Three rings each of mass M and radius R are arranged as shown in t...

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  20. Two point size bodies of masses 2kg, 3kg are fixed at two ends of a li...

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