ZuoTi.Pro
Question

4. A 85-kg merry-go-round of radius 1.7 meters has a girl (with a mass of 32 kg) riding along on the outer edge. (4 pts.) What is the moment of inertia for the merry-go-round? (4 pts.) What is the moment of inertia for the girl? (3 pts.) What is the total moment of inertia? edge of the merry-go-round, applying a constant torque of 170 Nem. (3 pts.) What is the angular acceleration of the merry-go-round (and girl)? (3 pts.) What will the angular velocity of the merry-go-round (and girl) be after 5 seconds? (3 pts.) What is the linear velocity of the girl at this time? (4 pts.) What is the acceleration that the girls body feels? (2 pts.) How many gs is this?
science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Date:/ 2 e)

0 0
Add a comment
Know the answer?
Add Answer to:
4. A 85-kg merry-go-round of radius 1.7 meters has a girl (with a mass of 32...
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

  • 17. A 25.0 kg girl stands on the edge of a merry-go-round that is turning with...

    17. A 25.0 kg girl stands on the edge of a merry-go-round that is turning with an angular speed of 0.750 rad/s. The merry-go-round has a radius of 2.50 m and a moment of inertia of 200 kg m2. The girl walks to the center of the merry-go-round and stands there. What is the new angular speed of the merry-go-round? (Treat the girl as a point particle.)

  • A girl (named Mary? Get it?) stands at the outer edge of a merry-go-round at distance...

    A girl (named Mary? Get it?) stands at the outer edge of a merry-go-round at distance 2.3m from the center. The merry-go-round is rotating at 22 rpm. The girl has a mass of 30kg, and the merry-go-round has a moment of inertia of 1300kgm^2 (a) What is the moment of inertia of the girl as she rotates around the center of the merry-go-round? (b) What is the angular velocity of the merry-go-round? rad/s (c) What is the total moment of...

  • 4. Cons ider the case of a rotating merry-go-round platform of mass of 310 kg and...

    4. Cons ider the case of a rotating merry-go-round platform of mass of 310 kg and radius 3.40 m. A person of mass 85 kg is standing on the outer edge of the merry-go-round platform. The merry-go- round platform with the person standing on its edge, rotates without friction about its central vertical axle with an angular speed of 2.30 rad/s. The person then jumps off the merry-go-round along a line radially outward from the central axle of the platform....

  • Problem 3: A merry-go-round can be considered a uniform disk of mass 145 kg and radius...

    Problem 3: A merry-go-round can be considered a uniform disk of mass 145 kg and radius 2.10 m free to rotate about a frictionless axis through its center. A 40.0 kg child stands at the edge and the system is initially rotating at 0.300 rad/sec. The child begins to walk around the edge of the merry-go-round with a velocity of 0.250 m/s relative to the ground in the direction of the rotation. What is the angular velocity of the merry-go-round...

  • Three children are riding on the edge of a merry-go-round that is 102 kg, has a...

    Three children are riding on the edge of a merry-go-round that is 102 kg, has a 1.60 m radius, and is spinning at 15.3 rpm. The children have masses of 19.9, 28.5, and 38.8 kg. If the child who has a mass of 28.5 kg moves to the center of the merry-go-round, what is the new angular velocity in rpm? rpm Additional Materials Reading Submit Answer Practice Another Version + -/1 points OSColPhys2016 10.5.P.041. My Notes Ask Your Teacher (a)...

  • A 24.5-kg child is standing on the outer edge of a merry-go-round which has moment of...

    A 24.5-kg child is standing on the outer edge of a merry-go-round which has moment of inertia of 989 kg m-and radius 2.40 m. T rotating at 0.18 rev/s. Find the angular velocity if the child moves to a final position 1.10 m from the center of the merry-go-round

  • 6 kids with a mass of 40kg each, climb a merry-go-round w/ radius of 1.5 meters...

    6 kids with a mass of 40kg each, climb a merry-go-round w/ radius of 1.5 meters & moment of inertia of 685kg*m^2 and are on the outer edge of the ride. It then gets an angular velocity of 6 revs per minute and the kids walk closer to the middle and stop when they are 0.75 meters from axis of rotation. What is the new angular velocity of the ride?

  • A girl moves quickly to the center of a spinning merry-go-round, traveling along the radius of the merry-go-round. Wh...

    A girl moves quickly to the center of a spinning merry-go-round, traveling along the radius of the merry-go-round. Which of the following statements are true? Check all that apply. Check all that apply. The angular speed of the system increases. The moment of inertia of the system remains constant. The angular speed of the system decreases. The moment of inertia of the system increases. The moment of inertia of the system decreases. The angular speed of the system remains constant.

  • a merry-go-round in the park has a radius of 2.5 m and rotational inertia of 1000...

    a merry-go-round in the park has a radius of 2.5 m and rotational inertia of 1000 kg*m^2. a child pushes the merry-go-round with a constant force of 50 N applied at a point tangent to the edge. a frictional torque of 12 N*m acts at the axle of the merry-go-round. what is the rotational acceleration of the merry-go-round while the child is pushing? at this rate, what will the rotational velocity of the merry-go-round be after 12 s if it...

  • 5. Ilan, of mass 75 kg, stands at the center of a rotating merry-go-round platform of...

    5. Ilan, of mass 75 kg, stands at the center of a rotating merry-go-round platform of radius 3.0 m and moment of inertia 820 kg · m². The platform rotates without friction with angular velocity 0.95 rad/s. He walks radially to the edge of the platform. (a) Calculate the angular velocity when Ilan reaches the edge. (b) Calculate the rotational kinetic energy of the system of platform plus person before and after the he makes his walk. (c) While Ilan...

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