wo blocks are connected to a string, and the string is hung over a pulley connected to the ceiling, as shown in the figure below. MOR mg he masses of the blocks are m, = 17.0 kg and m, = 10.5 kg, the mass of the pulley is M = 5.00 kg, and the radius of the pulley is R = 0.100 m. Block m, is initially on the floor, and lock m, is initially 5.00 m above the floor when it is released from rest. The pulley's axis has negligible friction. The mass of the string is small enough to be ignored, and the string does hot slip on the pulley, nor does it stretch. (a) How much time (in s) does it take block m, to hit the floor after being released? At, =

wo blocks are connected to a string, and the string is hung over a pulley connected to the ceiling, as shown in the figure below. MOR mg he masses of the blocks are m, = 17.0 kg and m, = 10.5 kg, the mass of the pulley is M = 5.00 kg, and the radius of the pulley is R = 0.100 m. Block m, is initially on the floor, and lock m, is initially 5.00 m above the floor when it is released from rest. The pulley's axis has negligible friction. The mass of the string is small enough to be ignored, and the string does hot slip on the pulley, nor does it stretch. (a) How much time (in s) does it take block m, to hit the floor after being released? At, =

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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Concept explainers

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

Two blocks are connected to a string, and the string is hung over a pulley connected to the ceiling, as shown in the figure below.
MG R
m1
m2
The masses of the blocks are m, = 17.0 kg and m,
= 10.5 kg, the mass of the pulley is M = 5.00 kg, and the radius of the pulley is R = 0.100 m. Block m, is initially on the floor, and
block m1
is initially 5.00 m above the floor when it is released from rest. The pulley's axis has negligible friction. The mass of the string is small enough to be ignored, and the string does
not slip on the pulley, nor does it stretch.
(a) How much time (in s) does it take block m, to hit the floor after being released?
At, =
(b) How would your answer to part (a) change if the mass of the pulley were neglected? (Enter the time, in seconds, it takes block m, to hit the floor if the mass of the pulley were
neglected.)
At,

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