Learning Goal: The blocks A and B shown are initially at rest and have masses of mA = 225 kg and mp 117 kg Neglect the mass of the rope and pulley system and assume block B moves only in the vertical direction, parallel to the y-axis. Neglect the effects of friction. (Figure 1) Figure 99°F Sunny A B <1 of 1 ▼ ‒‒ If the blocks are released from rest, determine the magnitude of the acceleration of block B Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) ag= Submit μA GA Value Part B-Acceleration of Block A Submit 3 If the blocks are released from rest, determine the magnitude of the acceleration of block A Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Value Units Units ? ?

Learning Goal: The blocks A and B shown are initially at rest and have masses of mA = 225 kg and mp 117 kg Neglect the mass of the rope and pulley system and assume block B moves only in the vertical direction, parallel to the y-axis. Neglect the effects of friction. (Figure 1) Figure 99°F Sunny A B <1 of 1 ▼ ‒‒ If the blocks are released from rest, determine the magnitude of the acceleration of block B Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) ag= Submit μA GA Value Part B-Acceleration of Block A Submit 3 If the blocks are released from rest, determine the magnitude of the acceleration of block A Express your answer to three significant figures and include the appropriate units. View Available Hint(s) Value Units Units ? ?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

Equations of Dependent Motion: Rectangular Coordinates
Learning Goal:
The blocks A and B shown are initially at rest and have masses of
mA = 225 kg and mp 117 kg Neglect the mass of the rope and
pulley system and assume block B moves only in the vertical
direction, parallel to the y-axis. Neglect the effects of friction. (Figure 1)
Figure
C
99°F
Sunny
B
1 of 1
‒‒
Part A - Acceleration of Block B
If the blocks are released from rest, determine the magnitude of the acceleration of block B
Express your answer to three significant figures and include the appropriate units.
►View Available Hint(s)
aB =
Submit
Value
Part B Acceleration of Block A
QA
5 a
Value
If the blocks are released from rest, determine the magnitude of the acceleration of block A.
Express your answer to three significant figures and include the appropriate units.
View Available Hint(s)
i
Units
Units
?
?

Learning Goal:
The blocks A and B shown are initially at rest and have masses of
mA = 225 kg and mg 117 kg. Neglect the mass of the rope and
pulley system and assume block B moves only in the vertical
direction, parallel to the y-axis. Neglect the effects of friction. (Figure 1)
Figure
99 F
Sunny
A
B
< 1 of 1
▼
▬▬
L
If the blocks are released from rest, determine the magnitude of the acceleration of block A
Express your answer to three significant figures and include the appropriate units.
►View Available Hint(s)
aA =
Submit
Value
Part C - Tension in the Rope
T-
Submit
h
It the blocks are released from rest, determine the tension in the rope.
Express your answer to three significant figures and include the appropriate units.
View Available Hint(s)
Value
Units
Units
?
?

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Q1
Include a free body diagram* For the given system of blocks below, (a) determine the direction of motion (b) determine the acceleration of each block when the system is released from rest.
Needs Complete typed solution with 100 % accuracy.
A spherical bowling ball with mass m = 4.6 kg and radius R = 0.105 m is thrown down the lane with an initial speed of v = 9.5 m/s. The coefficient of static friction between the ball and the ground is 0.35 and the coefficient for kinetic friction is μ = 0.3. Once the ball begins to roll without slipping it moves with a constant velocity down the lane. 1) What is the magnitude of the angular acceleration of the bowling ball as it slides down the lane? 2) What is magnitude of the linear acceleration of the bowling ball as it slides down the lane? 3) How long does it take the bowling ball to begin rolling without slipping? 4) Once it begins to roll without slipping, what is the force of friction on the ball?
Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown below. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0 m/s2 to the right, what is the magnitude F of the applied force?
A slender bar with a length of 2 ft is pin-connected with a roller positioned on a smooth horizontal surface. The bar is at rest initially, and a horizontal force F is applied to the roller. If F = 13 lb and the weight of the bar is 10 lb, calculate the magnitude of the acceleration of the roller at that instant by neglecting the mass and the size d of the roller. Present your answer in ft/sec² using 3 significant figures. FOR COMARCA 2 ft F
Learning Goal: Use the general equations of motion for plane motion to determine the initial acceleration of a spool. A spool has an outer radius R = 380 mm, an inner radius r = 210 mm, a mass m = 90 kg, and a radius of gyration KG = 320 mm. A rope is wrapped around the inner radius and pulled to the right as shown in (Figure 1). The coefficient of static friction between the spool and the ground is us = 0.2. The coefficient of kinetic friction is k = 0.15. Figure R A P 1 of 1 Part A Draw the free-body diagram for the spool, assuming the friction force acts to the right. Draw the vectors, starting at the black dots. The location and orientation of the vectors will be graded. The length of the vectors will not be graded. + 0 No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Submit Request Answer
As indicated in the illustration, two blocks are connected by an inextensible cable. Block A weighs 178.6 kg, while B weighs 252 kg. If the system is released from rest, calculate the acceleration (in m/s2) of block B. For simplicity, let us suppose that the coefficient of friction between block A and the plane is μk = 0.24 and that the pulley is both weightless and frictionless. Make use of the formula g = 9.81 m/s2.
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