

Chapter 10, Problem 061 A 15.0 kg wheel, essentially a thin hoop with radius 2.30 m,...
A 33.0 kg wheel, essentially a thin hoop with radius 2.30 m, is rotating at 275 rev/min. It must be brought to a stop in 24.0 s. (a) How much work must be done to stop it? (b) What is the required average power? Give absolute values for both parts.
A 12.0 kg wheel, essentially a thin hoop with radius 0.810 m, is rotating at 104 rev/min. It must be brought to a stop in 30.0 s. (a) How much work must be done to stop it? (b) What is the required average power? Give absolute values for both parts.
A 28.0 kg wheel, essentially a thin hoop with radius 0.530 m, is rotating at 424 rev/min. It must be brought to a stop in 25.0 s. (a) How much work must be done to stop it? (b) What is the required average power? Give absolute values for both parts.
A 28.0 kg wheel, essentially a thin hoop with radius 1.00 m, is rotating at 320 rev/min. It must be brought to a stop in 11 s. How much work must be done to stop it? What is the required average power?
A 38.0 kg wheal, essentially a thin hoop with radius 0.930 m, is rotating at 482 rev/min. It must be brought to a stop in 18.0 s. How much work must be done stop it? What is the required average power? Give absolute values for both parts.
A 38.0 kg wheel, essentially a thin hoop with radius 1.30 m, is rotating at 280 rev/min. It must be brought to a stop in 13 s. How much work must be done to stop it? Why isn't translational kenetic energy accouted for in this question? I only used rotational kenetic energy for my answer and I appeared to get the right answer. Can you please explain or correct me if I'm wrong.
Chapter 10, Problem 028 In the figure, wheel A of radius rA 11.0 cm is coupled by belt B to wheel C of radius rc for wheel C to reach an angular speed of 140 rev/min, a 6.7 cm. The angular speed of wheel A is increased from rest at a constant rate of 2.58 radira?. Find the time neneded 2 in, assuming the belt does not slip. (Hint: If the belt does not slip, the linear speeds at the...
In the ligure, wheel A of radius A-8.74 cm is coupled by belt 8 to wheel of radius - 20.4 cm. The angular speed of wheel A is increased from rest at a constant rate of 2.18 rad/s. Find the time needed for wheel to reach an angular speed of 131 rev/min, assuming the belt does not slip. (Hint: If the belt does not so, the linear speeds at the two rims must be equal Number Units the tolerance is...
Chapter 10, Problem 007 e wheel in the figure has eight equally spaced spokes and a radius of 28 crn. It is mounted on a fixed axle and is spinning at 5.0 rev/s You want to shoot a 21m the wheel without hitting any of the spokes. Assume that the arrow and the spokes are very thin. What minimum speed must the arrow have? "row shi-n" ad' 써"rough Units Number +/-5%
Chapter 11, Problem 081 A uniform wheel of mass 10.0 kg and radius 0.400 m is mounted rigidly on an axle through its center (see the figure). The radius of the axle is 0.200 m, and the rotational inertia of the wheel-axle combination about its central axis is 0.600 kg-m2. The wheel is initially at rest at the top of a surface that is inclined at angle 58.4° with the horizontal; the axle rests on the surface while the wheel...