ZuoTi.Pro
Question

Solid balls A and B have the sarne mass and angular velocity, but ball Bs radius is twice the radius of ball A. How do their angular momenta (LA and LB) compare? A. LA LB B. LA 2LB C. LA-4LB D. LA LB/4

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Solid sphere angular momenta L=mvr=IW

Solid sphere moment of inertia I =2MR2/5

LA=IAW and LB=IBW

Based on above formulas LA=4LB

0 0
Add a comment
Know the answer?
Add Answer to:
Solid balls A and B have the same mass and angular velocity, but ball B's radius...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Two wheels having the same radius and mass rotate at the same angular velocity. One wheel...

    Two wheels having the same radius and mass rotate at the same angular velocity. One wheel is made with spokes so nearly all the mass is at the rim, as shown. The other is a solid disk. How do their rotational kinetic energies compare?

  • - A solid sphere, a solid cylinder, and a hoop each have the same mass and radius. If they are spinning at the same...

    - A solid sphere, a solid cylinder, and a hoop each have the same mass and radius. If they are spinning at the same angular velocity, which one has the greatest angular momentum?

  • Page 4 6. In the below collision, both balls have the same mass of 10 kg....

    Page 4 6. In the below collision, both balls have the same mass of 10 kg. Ball A is initially moving with velocity VA +10 m/s i. It then collides with ball B, which is initially at rest. After the collision, ball A travels off with a velocity of vA the below: 5 m/s@ 45° as depicted in diagram. Calc (a) the x component of ball B's final velocity ve. (b) the y component of ball B's final velocity v'B...

  • 2) A uniform solid ball has a mass of 20 g and a radius of 5...

    2) A uniform solid ball has a mass of 20 g and a radius of 5 cm. It rests on a horizontal surface. A sharp force is applied to the ball in the horizontal direction 9 cm above the surface. The force rises linearly from 0 to a peak value of 40,000 N in 10-4 s and then decreases linearly to in another 10-4 s. (The moment of inertia for a solid ball ismR2) a) What is the velocity of...

  • 26.3) A solid disk, a hoop, and a sphere all have the same mass and same...

    26.3) A solid disk, a hoop, and a sphere all have the same mass and same radius and are at rest. A string is wrapped around each and pulled with the same constant force F for the same amount of time At. Which of the shapes will have the largest angular momentum L? Hoop Sphere A) Disk B) Hoop Disk C) Sphere D) They will all be the same dī XT = AL = tavg At dt 1 ==MR2 L...

  • Please help me with these physics practice questions thanks and God bless :( Q16. Consider the...

    Please help me with these physics practice questions thanks and God bless :( Q16. Consider the box in the drawing. We can slide the box up the frictionless incline from point A and to point Cor we can slide it along the frictionless horizontal surface from point to point Band then lift it to point How does the work done on the box along path A-c to the work done on the box along the two step path A greater...

  • A 7.0 kg solid ball, radius 10 cm, is rolling at 10 m/s. For a solid...

    A 7.0 kg solid ball, radius 10 cm, is rolling at 10 m/s. For a solid ball the moment of inertia I=2MR2/5. 1. Calculate the ball's angular velocity in rad/s (show calculations) A. 100 B. 70 C.350 D.140 E.490 2. Calculate the balls linear momentum and angular momentum in kgs/s and kgm2/s, respectively (show calculations) A. 350 & 140 B. 140 & 350 C. 70 & 2.8 D. 2.8 & 70 3. Calculate the ball's translational rotational and total kinetic...

  • Can anyone explains all the answers? Two balls, A and B are thrown at the same...

    Can anyone explains all the answers? Two balls, A and B are thrown at the same angle above horizontal, but initial velocity of ball A is two times greater than initial velocity of ball B. Ignore air resistance. we can conclude that horizontal range covered by ball A is same as range covered by ball B twice the range covered by ball B four times the range covered by ball B. greater than horizontal range covered by ball b, but...

  • 3 pts each la) A solid disk and a hoop have the same mass and radius....

    3 pts each la) A solid disk and a hoop have the same mass and radius. If they have the same angular momentum, the angular speed of the disk is than the angular speed of the hoop. a) four times larger b) two times larger c) two times smaller d) four times smaller 1b) An object undergoing simple harmonic motion has a maximum potential energy of 12 J when it reaches its maximum displacement x = A. What the object's...

  • Two uniform solid spheres have the same mass, 1.65 kg, but one has a radius of...

    Two uniform solid spheres have the same mass, 1.65 kg, but one has a radius of 0.256 m while the other has a radius of 0.844 m. For each of the spheres, find the torque required to bring the sphere from rest to an angular velocity of 357 rad/s in 10.5 s. Each sphere rotates about an axis through its center. a)Torque on sphere with the smaller radius. b)Torque on sphere with the larger radius. c)For each sphere, what force...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT