19. Mr. Lamp. A block with mass 10.0 [kg] is attached to a string tightly wound to circular frictionless pulley of radius 0.300[m]. The block is dropped from a height of 2.50 [m] from the ground. Right before the block hits the ground, the pulley of unknown mass was found to have an angular velocity of 9.00 [rad/s]. What is the angular acceleration of the pulley? A. 2.20 [rad/s²] B. 5.71 [rad/s²] C. 22.7 [rad/s²] 2.50m D. 47.4 [rad/s²] 20. Trans-fat. A solid sphere (Iem MR?) of mass 18.0 kg] and radius 2.25 [m] rolls without slipping on a horizontal surface. If its translational kinetic energy as it moves is 900. [J], what is its rotational kinetic energy? А. 180. [J В. 360. [J C. 540. [J] D. 720. [J] 21. Yo-yo. A solid cylinder of radius 0.500[m] is wrapped with a massless string to simulate a yo-yo. Holidng the free end of the string stationary, the cylinder is dropped from a height of 2.50 [m] from the ground. Right before it hits the ground, the cylinder was found to have an angular velocity of 5.00 [rad/s]. Assuming that the string does not slip or stretch as cylinder descends and rotates, what is the angular acceleration of the cylinder? 6. A. 2.87 [rad/s²] B. 3.36 [rad/s²] C. 5.73 [rad/s²] D. 6.71 [rad/s²] 22. Istatik. Which of the following situations depict static equilibrium? I. a box pushed up a ramp at constant speed II. a spinning ferris wheel coming to a stop III. a balanced seesaw
19. Mr. Lamp. A block with mass 10.0 [kg] is attached to a string tightly wound to circular frictionless pulley of radius 0.300[m]. The block is dropped from a height of 2.50 [m] from the ground. Right before the block hits the ground, the pulley of unknown mass was found to have an angular velocity of 9.00 [rad/s]. What is the angular acceleration of the pulley? A. 2.20 [rad/s²] B. 5.71 [rad/s²] C. 22.7 [rad/s²] 2.50m D. 47.4 [rad/s²] 20. Trans-fat. A solid sphere (Iem MR?) of mass 18.0 kg] and radius 2.25 [m] rolls without slipping on a horizontal surface. If its translational kinetic energy as it moves is 900. [J], what is its rotational kinetic energy? А. 180. [J В. 360. [J C. 540. [J] D. 720. [J] 21. Yo-yo. A solid cylinder of radius 0.500[m] is wrapped with a massless string to simulate a yo-yo. Holidng the free end of the string stationary, the cylinder is dropped from a height of 2.50 [m] from the ground. Right before it hits the ground, the cylinder was found to have an angular velocity of 5.00 [rad/s]. Assuming that the string does not slip or stretch as cylinder descends and rotates, what is the angular acceleration of the cylinder? 6. A. 2.87 [rad/s²] B. 3.36 [rad/s²] C. 5.73 [rad/s²] D. 6.71 [rad/s²] 22. Istatik. Which of the following situations depict static equilibrium? I. a box pushed up a ramp at constant speed II. a spinning ferris wheel coming to a stop III. a balanced seesaw
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![19. Mr. Lamp. A block with mass 10.0 [kg] is attached to
a string tightly wound to circular frictionless pulley of
radius 0.300[m]. The block is dropped from a height of
2.50 [m] from the ground. Right before the block hits the
ground, the pulley of unknown mass was found to have
an angular velocity of 9.00 [rad/s]. What is the angular
acceleration of the pulley?
A. 2.20 [rad/s²]
B. 5.71 [rad/s²]
C. 22.7 [rad/s²]
2.50m
D. 47.4 [rad/s²]
20. Trans-fat. A solid sphere (Icm
MR?) of mass 18.0 [kg] and radius 2.25 [m] rolls
without slipping on a horizontal surface. If its translational kinetic energy as it moves is
900. [J], what is its rotational kinetic energy?
А. 180. (J
B. 360. [J]
С. 540. [J
D. 720. [J]
21. Yo-yo. A solid cylinder of radius 0.500[m] is wrapped with a massless string to simulate a
yo-yo. Holidng the free end of the string stationary, the cylinder is dropped from a height
of 2.50 [m] from the ground. Right before it hits the ground, the cylinder was found to have
an angular velocity of 5.00 [rad/s]. Assuming that the string does not slip or stretch as
cylinder descends and rotates, what is the angular acceleration of the cylinder?
A. 2.87 [rad/s²]
B. 3.36 [rad/s³]
C. 5.73 [rad/s*]
D. 6.71 [rad/s²]
22. Istatik. Which of the following situations depict static equilibrium?
I. a box pushed up a ramp at constant speed
II. a spinning ferris wheel coming to a stop
III. a balanced seesaw](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd3762da3-2171-40c2-98ae-dc7fa2a9a849%2F41c7fef6-6226-4f8b-ace0-a798b5be52bd%2Fpq04o95_processed.jpeg&w=3840&q=75)
Transcribed Image Text:19. Mr. Lamp. A block with mass 10.0 [kg] is attached to
a string tightly wound to circular frictionless pulley of
radius 0.300[m]. The block is dropped from a height of
2.50 [m] from the ground. Right before the block hits the
ground, the pulley of unknown mass was found to have
an angular velocity of 9.00 [rad/s]. What is the angular
acceleration of the pulley?
A. 2.20 [rad/s²]
B. 5.71 [rad/s²]
C. 22.7 [rad/s²]
2.50m
D. 47.4 [rad/s²]
20. Trans-fat. A solid sphere (Icm
MR?) of mass 18.0 [kg] and radius 2.25 [m] rolls
without slipping on a horizontal surface. If its translational kinetic energy as it moves is
900. [J], what is its rotational kinetic energy?
А. 180. (J
B. 360. [J]
С. 540. [J
D. 720. [J]
21. Yo-yo. A solid cylinder of radius 0.500[m] is wrapped with a massless string to simulate a
yo-yo. Holidng the free end of the string stationary, the cylinder is dropped from a height
of 2.50 [m] from the ground. Right before it hits the ground, the cylinder was found to have
an angular velocity of 5.00 [rad/s]. Assuming that the string does not slip or stretch as
cylinder descends and rotates, what is the angular acceleration of the cylinder?
A. 2.87 [rad/s²]
B. 3.36 [rad/s³]
C. 5.73 [rad/s*]
D. 6.71 [rad/s²]
22. Istatik. Which of the following situations depict static equilibrium?
I. a box pushed up a ramp at constant speed
II. a spinning ferris wheel coming to a stop
III. a balanced seesaw
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