Homework Answers
Add Answer to:
13) A string trimmer is a tool for cutting gass and weeds. It utilizes a length...
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of...
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at an angular speed of 41 rev/s, and its tip has a tangential speed of 51 m/s. What is the length of the rotating string?
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of...
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at an angular speed of 48 rev/s, and its tip has a tangential speed of 67 m/s. What is the length of the rotating string? Number Units
A thin uniform rod (mass= 4.0 kg, length= 120.cm) rotates about an axis that is perpendicular...
A thin uniform rod (mass= 4.0 kg, length= 120.cm) rotates about an axis that is perpendicular to the rod; the axis intersects the rod at 1/3 of the rod's length. The rod rotates about the axis at the rate of 8 full revolutions per second. a. Compute the rotational Inertia of the rod based on the given axis of rotation. b. Compute the magnitude of the angular velocity in radians per second c. Compute the tangential speed of the end...
a) A workpiece (φ-75 mm, 1 275 mm) is machined using turning at a feed rate of 0.25 mm/rev. At a cutting speed- 3.5 m/s, the turning tool is ineffective after machining 3 parts, and at a cutting s...
a) A workpiece (φ-75 mm, 1 275 mm) is machined using turning at a feed rate of 0.25 mm/rev. At a cutting speed- 3.5 m/s, the turning tool is ineffective after machining 3 parts, and at a cutting speed = 2.5 m/s, the turning tool is effective for producing 20 parts. Calculate the Cutting Speed that will allow 30 parts to be machined between tool changes [20 marks] b) An aluminium alloy workpiece (tensile strength - 325 N/mm2 and yield...
uniform rod of mass 3.30×10−2 kg and length 0.450 m rotates in a horizontal plane about...
uniform rod of mass 3.30×10−2 kg and length 0.450 m rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod. Two small rings, each with mass 0.250 kg , are mounted so that they can slide along the rod. They are initially held by catches at positions a distance 5.40×10−2 m on each side from the center of the rod, and the system is rotating at an angular velocity 30.0 rev/min . Without...
An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude...
An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.200 rev/s . The magnitude of the angular acceleration is 0.886 rev . Both the angular velocity and angular acceleration are directed clockwise. The electric ceiling fan blades form a circle of diameter 0.770m. A). Compute the fan's angular velocity magnitude after time 0.198 s has passed. B). Through how many revolutions has the blade turned in the time interval 0.198 s from...
1. What is the angular momentum of a 0.240-kg ball rotating on the end of a...
1. What is the angular momentum of a 0.240-kg ball rotating on the end of a thin string in a circle of radius 1.35 m at an angular speed of 15.0 rad/s ? 2. A diver can reduce her moment of inertia by a factor of about 4.0 when changing from the straight position to the tuck position. If she makes 2.0 rotations in 1.5 s when in the tuck position, what is her angular speed (rev/s) when in the...
A uniform rod of mass 2.75×10−2 kg and length 0.400 m rotates in a horizontal plane...
A uniform rod of mass 2.75×10−2 kg and length 0.400 m rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod. Two small rings, each with mass 0.190 kg , are mounted so that they can slide along the rod. They are initially held by catches at positions a distance 4.70×10−2 m on each side from the center of the rod, and the system is rotating at an angular velocity 35.0 rev/min ....
A thin uniform rod has a length of 0.530 m and is rotating in a circle...
A thin uniform rod has a length of 0.530 m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end and is stationary. The rod has an angular velocity of 0.41 rad/s and a moment of inertia about the axis of 3.10×10−3 kg⋅m2 . A bug initially standing on the rod at the axis of rotation decides to crawl out to the other end of...
A thin uniform rod has a length of 0.520 m and is rotating in a circle...
A thin uniform rod has a length of 0.520 m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end and is stationary. The rod has an angular velocity of 0.37 rad/s and a moment of inertia about the axis of 2.70×10−3 kg⋅m2 . A bug initially standing on the rod at the axis of rotation decides to crawl out to the other end of...
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at an angular speed of 48 rev/s, and its tip has a tangential speed of 67 m/s. What is the length of the rotating string? Number Units
A thin uniform rod (mass= 4.0 kg, length= 120.cm) rotates about an axis that is perpendicular to the rod; the axis intersects the rod at 1/3 of the rod's length. The rod rotates about the axis at the rate of 8 full revolutions per second. a. Compute the rotational Inertia of the rod based on the given axis of rotation. b. Compute the magnitude of the angular velocity in radians per second c. Compute the tangential speed of the end...
a) A workpiece (φ-75 mm, 1 275 mm) is machined using turning at a feed rate of 0.25 mm/rev. At a cutting speed- 3.5 m/s, the turning tool is ineffective after machining 3 parts, and at a cutting speed = 2.5 m/s, the turning tool is effective for producing 20 parts. Calculate the Cutting Speed that will allow 30 parts to be machined between tool changes [20 marks] b) An aluminium alloy workpiece (tensile strength - 325 N/mm2 and yield...
An electric ceiling fan is rotating about a fixed axis with an initial angular velocity magnitude of 0.200 rev/s . The magnitude of the angular acceleration is 0.886 rev . Both the angular velocity and angular acceleration are directed clockwise. The electric ceiling fan blades form a circle of diameter 0.770m. A). Compute the fan's angular velocity magnitude after time 0.198 s has passed. B). Through how many revolutions has the blade turned in the time interval 0.198 s from...
Most questions answered within 3 hours.
-
Write a simple Python program to find the day for the given
date. The procedure to...
asked 53 seconds from now -
5) A semi-permeable membrane is used to separate pyruvic acid
from an aqueous solution of 0.1...
asked 1 minute ago -
The resistance of the body varies from approximately 500 kΩ
(when it is very dry) to...
asked 5 minutes ago -
Please explain how participation income and expenses are
allocated to each partner. Where is this defined?
asked 15 minutes ago -
The tires of a car make 61 revolutions as the car reduces its
speed uniformly from...
asked 30 minutes ago -
Peabody, Inc., sells fireworks. The company’s marketing director
developed the following cost of goods sold budget...
asked 34 minutes ago -
A signal transduction pathway includes the steps listed
below.
1. An inactive signal transduction molecule is...
asked 33 minutes ago -
1. The correlation coefficient determined for two variables has
a value of 0.89. Describe, in words,...
asked 39 minutes ago -
The following data relate to direct materials costs for
November:
Actual costs
4,700 pounds at $5.35...
asked 38 minutes ago -
Kyle, a 95.0 kg football player, leaps straight up into the air
(with no horizontal velocity)...
asked 1 hour ago -
Which of the following is a measure of profitability?
A.
Quick (acid-test) ratio
B.
Net sales...
asked 1 hour ago -
Find the total pressure exerted by 2 grams of ethane and 3 grams
of CO2 contained...
asked 1 hour ago