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Two particles of equal masses have v...

Two particles of equal masses have velocities `vec(v)_(1)= 4hat(i) and vec(v)_(2) = 4 hat(j)` . First particle hac an acceleration of the other particle is zero . The centre of mass of the two particles moves in a path of

A

Straight line

B

Parabola

C

Circle

D

Ellipse

Text Solution

Verified by Experts

The correct Answer is:
A
` bar(V)_(cm) " parallel to " vec(a)_(cm)`
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NARAYNA-SYSTEM OF PARTICLES AND ROTATIONAL MOTION -EXERCISE - II (C.W)
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  2. A circular hole is radius 'r' is made in a disk of radius 'R' an...

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  3. Two particles of equal masses have velocities vec(v)(1)= 4hat(i) ...

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  4. A body of mass m is dropped and another body of mass M is projected ve...

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  5. A rope thrown over a pulley has a ladder with a man of mass m on one o...

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  6. The unit vector perpendicular to vec A = 2 hat i + 3 hat j + hat k and...

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  7. An electron is moving with speed 2xx10^5 m//s along the positive x-dir...

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  8. The linear and angular velocities of a body in rotatory motion are 3 m...

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  9. A stationary wheel starts rotating about its own axis at an angul...

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

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

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

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

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

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

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

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

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

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

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

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