A 85.0 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.110 m/s. How much work must be done on the hoop to stop it? Number 1.03 Units eTextbook and Media Hint Save for Later Attempts: 2 of 5 used Submit Answer
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- MY NOTE A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 16.0°. It momentarily stops when it has rolled 1.90 m along the ramp. What was its initlal speed? m/s Submit Answer 16 Rointsl DETAILS HRW10 11 R. 020 MY NOTE2. A motor exerts torque on a carousel for it to attain a speed of 2.5 rev/s starting from rest in 3.5s. Find the work done by the motor if the carousel has a radius of 27m and a mass of 1.75 × 105kg. Consider the carousel to be a thin-walled cylinder rotating about its center.a flat circular frisbee of mass 2.26 and radius .669 meters is thrown in such a way that the speed of its center is .838 m/s, and it rotates at 21.7 rotations per minute. the kinetic energy is
- 4. Two wheels (A and B) of equal mass and the same Iz roll down a hill without sliding and have the same kinetic energy. Partway down the hill, wheel B stops rolling and continues down the hill sliding (no rotation), but maintains the same kinetic energy as wheel A which continues to roll without sliding. Which wheel reaches the base of the hill first (assuming they travel the same path length)? wheel A (the one that rolls the whole way) wheel B (the one that starts sliding) they reach the hill base at the same timeA hollow cylinder (hoop), a solid cylinder (disk), and a solid sphere, each of mass M and radius R, roll down a hill of height h. b. Rank the objects based on their rotational kinetic energy at the bottom of the hill. Rank the one with the most energy 1, etc. If two are equal, give them the same ranking. hoop___________ disk_______________sphere_______________Justify your ranking.Don't use chat gpt It Chatgpt means downvote
- A bowling ball of mass 7.26 kg and radius 10.3 cm rolls without slipping down a lane at 3.00 m/s. Calculate its total kinetic energy. Express your answer using three significant figures and include the appropriate units.A 78.0 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.0720 m/s. How much work must be done on the hoop to stop it?A metal can containing condensed mushroom soup has mass 225 g, height 11.0 cm and diameter 6.38 cm. It is placed at rest on its side at the top of a 3.00-m-long incline that is at 20.0° to the horizontal and is then released to roll straight down. It reaches the bottom of the incline after 1.50 s. a) Assuming mechanical energy conservation, calculate the moment of inertia of the can. b) Why can't the moment of interia be calculated from I=(1/2)mr^2 for the cylindrical can?
- I need help with this problem pleaseA constant torque of 3.4 N.m is applied to an object , which undergoes 28 revolutions. Calculate the work done in Joules, with a single digit precison. Your Answer: AnswerItem 11 The pulley in (Eigure 1) has radius 0.160 m and moment of inertia 0.380 kg. m². The rope does not slip on the pulley rim. Figure 4.00 kg 5.00 m 2.00 kg 1 of 1 Part A Use energy methods to calculate the speed of the 4.00 kg block just before it strikes the floor. Express your answer with the appropriate units. V= Submit μA Value Request Answer < Return to Assignment Units SWIN Provide Feedback ? 11 of 11 Review | Constants