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Question 11 A hollow sphere of radius 0.220 m, with rotational inertia I = 0.0728 kg-m2...
A hollow sphere of radius 0.240 m, with rotational inertia I = 0.0470 kg·m2 about a...
A hollow sphere of radius 0.240 m, with rotational inertia I = 0.0470 kg·m2 about a line through its center of mass, rolls without slipping up a surface inclined at 13.3° to the horizontal. At a certain initial position, the sphere's total kinetic energy is 12.0 J. (a) How much of this initial kinetic energy is rotational? (b) What is the speed of the center of mass of the sphere at the initial position? When the sphere has moved 0.690...
Chapter 11, Problem 010 A hollow sphere of radius 0.240 m, with rotational inertia 0.0388 kg.m2...
Chapter 11, Problem 010 A hollow sphere of radius 0.240 m, with rotational inertia 0.0388 kg.m2 about a line through its center of mass, rolls without slipping up a surface inclined at 42.1o to the horizontal. At a certain initial position, the sphere's total kinetic energy is 7.50 J. (a) How much of this initial kinetic energy is rotational? (b) What is the speed of the center of mass of the sphere at the initial position? When the sphere has...
Q10 A hollow sphere and a hoop of the same mass and radius are released at...
Q10 A hollow sphere and a hoop of the same mass and radius are released at the same time at the top of an inclined plane. If both are uniform, (1) Which one reaches the bottom of the incline first if there is no slipping? (2) A uniform hollow sphere of mass 120 kg and radius 1.7 m starts from rest and rolls without slipping dow an inclined plane of vertical height 5.3 m. What is the translational speed of...
A hollow 0.358 kg sphere rolls without slipping down an inclined plane that makes an angle...
A hollow 0.358 kg sphere rolls without slipping down an inclined plane that makes an angle of 41.0o with the horizontal direction. The sphere is released from rest a distance 0.734 m from the lower end of the plane. a. How fast is the hollow sphere moving as it reaches the end of the plane? b. At the bottom of the incline, what fraction of the total kinetic energy of the hollow sphere is rotational kinetic energy?
A solid homogeneous sphere of mass M = 4.70 kg is released from rest at the...
A solid homogeneous sphere of mass M = 4.70 kg is released from
rest at the top of an incline of height H=1.21 m and rolls without
slipping to the bottom. The ramp is at an angle of θ = 27.7o to the
horizontal.
a) Calculate the speed of the sphere's CM at the bottom of the
incline.
b) Determine the rotational kinetic energy of the sphere at the
bottom of the incline.
A solid sphere rolls in released from rest and rolls down an incline plane, which is...
A solid sphere rolls in released from rest and rolls down an incline plane, which is 2.0 m long and inclined at a 30° angle from the horizontal. (a) Find its speed at the bottom of the incline. (Remember that the kinetic energy in rolling motion is the translational kinetic energy ½ Mv2 of the center, plus the rotational K.E. ½ Iω2 about the center. Also remember that v = ωr if the sphere rolls without slipping.) (b) Find the...
A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest...
A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest and rolls without slipping down a 30.0∘ incline that is 10.0 m long. Calculate its translational speed when it reaches the bottom. Calculate its rotational speed when it reaches the bottom. What is the ratio of translational to rotational kinetic energy at the bottom?
A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest...
A sphere of radius r =34.5 cm and mass m = 1.80 kg starts from rest and rolls without slipping down a 30.0∘ incline that is 10.0 m long. Calculate its translational speed when it reaches the bottom. Calculate its rotational speed when it reaches the bottom. What is the ratio of translational to rotational kinetic energy at the bottom?
I don't understand how to find 6b and all of 7. 6. A hollow sphere with...
I don't understand how to find 6b and all of 7.
6. A hollow sphere with mass = 0.65 kg and radius = 0.13 m is initially at rest on a 20° incline and rolls down the incline without slipping. The initial height of the disk (H) a. At the top of the incline, just before the disk begins to roll, what is the total mechanical energy of the disk? Emech=PEtop=6.37) b. Determine the velocity of the disk at H=...
A hollow sphere of mass m = 0.35 kg and radius r = 64 cm rolls...
A hollow sphere of mass m = 0.35 kg and radius r = 64 cm rolls along a flat surface at an initial speed of v, and then up a curved ramp with radius of curvature 4.7 m without slipping, until it reaches a maximum angle of 12 degrees around the curve and starts to roll backward. What was the initial speed of the ball in units of meters/second?
Chapter 11, Problem 010 A hollow sphere of radius 0.240 m, with rotational inertia 0.0388 kg.m2 about a line through its center of mass, rolls without slipping up a surface inclined at 42.1o to the horizontal. At a certain initial position, the sphere's total kinetic energy is 7.50 J. (a) How much of this initial kinetic energy is rotational? (b) What is the speed of the center of mass of the sphere at the initial position? When the sphere has...
Q10 A hollow sphere and a hoop of the same mass and radius are released at the same time at the top of an inclined plane. If both are uniform, (1) Which one reaches the bottom of the incline first if there is no slipping? (2) A uniform hollow sphere of mass 120 kg and radius 1.7 m starts from rest and rolls without slipping dow an inclined plane of vertical height 5.3 m. What is the translational speed of...
A solid homogeneous sphere of mass M = 4.70 kg is released from
rest at the top of an incline of height H=1.21 m and rolls without
slipping to the bottom. The ramp is at an angle of θ = 27.7o to the
horizontal.
a) Calculate the speed of the sphere's CM at the bottom of the
incline.
b) Determine the rotational kinetic energy of the sphere at the
bottom of the incline.
I don't understand how to find 6b and all of 7.
6. A hollow sphere with mass = 0.65 kg and radius = 0.13 m is initially at rest on a 20° incline and rolls down the incline without slipping. The initial height of the disk (H) a. At the top of the incline, just before the disk begins to roll, what is the total mechanical energy of the disk? Emech=PEtop=6.37) b. Determine the velocity of the disk at H=...
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