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26.5) A mass sits on a rotating platter as shown. If, for some reason, the mass...
anter Abug with mass 5 glands som at the ediye with mass 20 g is rotating...
anter Abug with mass 5 glands som at the ediye with mass 20 g is rotating about its perpendicular axis through its center. A bug with mass 5 of the disk. Which of the following statements is true after the bug lands on the disk? The angular momentum or the system increases and its angular speed decreases The angular momentum of the system decreases and its angular speed decreases The angular momentum of the system remains constant and its angular...
A uniform disk with mass M and radius R is rotating about an axis through its center-of-mass.
A uniform disk with mass M and radius R is rotating about an axis through its center-of-mass. The axis is perpendicular to the disk. The moment of inertial for the disk with a central axis is I MR2. Two non-rotating smaller disks, each with mass M2 and radius R/4, are glued on the original disk as shown in the figure. (a) Show that the ratio of the moments of inertia is given by I'/I = 35/16, where I' is the moment...
A mass is connected to the center of a rotating disk via a spring. The mass...
A mass is connected to the center of a rotating disk via a spring. The mass is constrained by a smooth (frictionless) slot to only move in a purely radial direction X Lo The disk has radius Rand starts rotating from rest at a constant angular acceleration (counterclockwise). The starting position of the mass is as shown, where its distance away from the center of the disk is the same as the resting length of the spring. Gravity points into...
3. A student sits on a freely rotating stool holding two dumbbells, each of mass 2.92...
3. A student sits on a freely rotating stool holding two dumbbells, each of mass 2.92 kg. When his arms are extended horizontally, the dumbbells are 0.95 m from the axis of rotation and the student rotates with an angular speed of 0.754 rad/s. The moment of inertia of the student plus stool is 2.69 kg · m2 and is assumed to be constant. The student pulls the dumbbells inward horizontally to a position 0.305 m from the rotation axis....
A student sits on a freely rotating stool holding two dumbbells, each of mass 2.93 kg...
A student sits on a freely rotating stool holding two dumbbells, each of mass 2.93 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 0.97 m from the axis of rotation and the student rotates with an angular speed of rad/s. The moment of inertia of the student plus stool is 2.75 kg m^2 and is assumed to be constant. The student pulls the dumbbells inward horizontally to a position 0.291 m from the...
A student sits on a freely rotating stool holding two dumbbells, each of mass 2.98 kg...
A student sits on a freely rotating stool holding two dumbbells, each of mass 2.98 kg . When his arms are extended horizontally , the dumbbells are 0.96 m from the axis of rotation and the student rotates with an angular speed of 0.747 rad/s. The moment of inertia of the student plus stool is 2.62 kg · m2 and is assumed to be constant. The student pulls the dumbbells inward horizontally to a position 0.305 m from the rotation...
A student sits on a freely rotating stool holding two weights, each of mass 3.08 kg....
A student sits on a freely rotating stool holding two weights, each of mass 3.08 kg. When his arms are extended horizontally, the weights are 0.91 m from the axis of rotation and he rotates with an angular speed of 0.755 rad/s. The moment of inertia of the student plus stool is 3.08 kg·m2 and is assumed to be constant. The student pulls the weights inward horizontally to a position 0.294 m from the rotation axis. (a) Find the new...
Problem 6: A small mass m on a string is rotating without friction in a circle....
Problem 6: A small mass m on a string is rotating without friction in a circle. The string is shortened by pulling it through the axis of rotation without any external torque. What happens to the angular velocity of the object? Justify why! Provide explanation to get full credit! (a) It increases. (b) It decreases. (c) It remains the same
A student sits on a freely rotating stool holding two dumbbells, each of mass 3.08 kg...
A student sits on a freely rotating stool holding two dumbbells,
each of mass 3.08 kg (see figure below). When his arms are extended
horizontally (Figure a), the dumbbells are 0.96 m from the axis of
rotation and the student rotates with an angular speed of 0.755
rad/s. The moment of inertia of the student plus stool is 2.53 kg ·
m2 and is assumed to be constant. The student pulls the
dumbbells inward horizontally to a position 0.304 m...
A student sits on a freely rotating stool holding two dumbbells, each of mass 2.99 kg...
A student sits on a freely rotating stool holding two dumbbells, each of mass 2.99 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 1.09 m from the axis of rotation and the student rotates with an angular speed of 0.752 rad/s. The moment of inertia of the student plus stool is 2.80 kg . m and is assumed to be constant. The student pulls the dumbbells inward horizontally to a position 0.293 m...
anter Abug with mass 5 glands som at the ediye with mass 20 g is rotating about its perpendicular axis through its center. A bug with mass 5 of the disk. Which of the following statements is true after the bug lands on the disk? The angular momentum or the system increases and its angular speed decreases The angular momentum of the system decreases and its angular speed decreases The angular momentum of the system remains constant and its angular...
A mass is connected to the center of a rotating disk via a spring. The mass is constrained by a smooth (frictionless) slot to only move in a purely radial direction X Lo The disk has radius Rand starts rotating from rest at a constant angular acceleration (counterclockwise). The starting position of the mass is as shown, where its distance away from the center of the disk is the same as the resting length of the spring. Gravity points into...
3. A student sits on a freely rotating stool holding two dumbbells, each of mass 2.92 kg. When his arms are extended horizontally, the dumbbells are 0.95 m from the axis of rotation and the student rotates with an angular speed of 0.754 rad/s. The moment of inertia of the student plus stool is 2.69 kg · m2 and is assumed to be constant. The student pulls the dumbbells inward horizontally to a position 0.305 m from the rotation axis....
A student sits on a freely rotating stool holding two dumbbells, each of mass 2.93 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 0.97 m from the axis of rotation and the student rotates with an angular speed of rad/s. The moment of inertia of the student plus stool is 2.75 kg m^2 and is assumed to be constant. The student pulls the dumbbells inward horizontally to a position 0.291 m from the...
Problem 6: A small mass m on a string is rotating without friction in a circle. The string is shortened by pulling it through the axis of rotation without any external torque. What happens to the angular velocity of the object? Justify why! Provide explanation to get full credit! (a) It increases. (b) It decreases. (c) It remains the same
A student sits on a freely rotating stool holding two dumbbells,
each of mass 3.08 kg (see figure below). When his arms are extended
horizontally (Figure a), the dumbbells are 0.96 m from the axis of
rotation and the student rotates with an angular speed of 0.755
rad/s. The moment of inertia of the student plus stool is 2.53 kg ·
m2 and is assumed to be constant. The student pulls the
dumbbells inward horizontally to a position 0.304 m...
A student sits on a freely rotating stool holding two dumbbells, each of mass 2.99 kg (see figure below). When his arms are extended horizontally (Figure a), the dumbbells are 1.09 m from the axis of rotation and the student rotates with an angular speed of 0.752 rad/s. The moment of inertia of the student plus stool is 2.80 kg . m and is assumed to be constant. The student pulls the dumbbells inward horizontally to a position 0.293 m...
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