Two identical long straight conducting wires with a mass per unit length of 25.0 g/m are resting
Question:
Two identical long straight conducting wires with a mass per unit length of 25.0 g/m are resting parallel to each other on a table. The wires are separated by 2.5 mm and are carrying currents in opposite directions.
(a) If the coefficient of static friction between the wires and the table is 0.035, what minimum current is necessary to make the wires start to move?
(b) Do the wires move closer together or farther apart?
Step by Step Answer:
Given that the mass per unit length of wire is The s...View the full answer
College Physics With An Integrated Approach To Forces And Kinematics
ISBN: 978-1260547719
5th Edition
Authors: Alan Giambattista
Related Video
Static friction and kinetic friction are two types of friction that occur when two objects are in contact with each other. Static friction is the force that must be overcome to initiate motion between two surfaces that are in contact with each other but are not moving relative to each other. It is caused by the interlocking of rough surfaces at the microscopic level, and it increases as the force pushing the surfaces together increases. Once motion between the surfaces starts, the static friction is no longer present. Kinetic friction, also known as sliding friction, is the force that opposes the motion of two surfaces that are in contact with each other and are moving relative to each other. It is caused by the rubbing of the surfaces against each other and the resistance of the molecules in the surfaces to being moved. Kinetic friction is generally less than static friction, but it can still be a significant force, especially at high speeds. Both static and kinetic friction can be quantified using a coefficient of friction, which is a dimensionless number that represents the ratio of the frictional force between two surfaces to the normal force (the force perpendicular to the surfaces). The coefficient of static friction is typically greater than the coefficient of kinetic friction for a given pair of surfaces, because it takes more force to overcome the interlocking of the surfaces at rest than to maintain motion once it has started.
Students also viewed these Sciences questions
-
Two identical long straight conducting wires with a mass per unit length of 25.0 g/m are resting parallel to each other on a table. The wires are separated by 2.5 mm and are carrying currents in...
-
A homogeneous wire with a mass per unit length of 1.8 kg/m is used to form the figure shown. Determine the mass products of inertia Ixy, Iyz, and Izx of the wire figure. 0.5 m 0S m OS m
-
A horizontal wire with a mass per unit length of 0.2 kg/m carries a current of 4 A in the +x-direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and...
-
In MySQL, Useing ClassicModels database below, how do I script it to display ProductLine total_sales by region like this; a. Region-1 i. Productline-1 ---- Total Sales ii. Productline-2 ---- Total...
-
Calculate the missing values List price (S) Discount rate (%) Discount amount (S) Net price (S) mount ($) Net price ($) 249.00 331
-
Match each reason with its description. Reason 1. Legal system 2. Tax laws 3. Sources of financing 4. Inflation 5. Culture 6. Political and economic ties 7. Economic development Description a....
-
Discuss the theoretical bases for the four HR administrative approaches introduced in this chapter. Are such theories useful to HR professionals in their efforts to improve transactional performance?...
-
Prepare all journal entries (budgetary and actual) required in all funds and the GCA-GLTL accounts to record the following transactions and events: 1. The county sold old equipmentoriginal cost...
-
PROBLEM 2-25 Calculating Ending Inventories and Cost of Goods Sold LO2-5 Expedition Company worked on five jobs during May: Jobs A10, B20, C30, D40, and E50. At the end of May, the job cost sheets...
-
Megan Hanson, a Realtor in Brownsburg, Indiana, would like to use estimates from a multiple linear regression model to help prospective sellers determine a reasonable asking price for their homes....
-
The uniform magnetic field in the velocity selector is directed out of the page and has magnitude B. (a) What should the magnitude and direction of the electric field in the selector be to allow ions...
-
An early cyclotron at Cornell University was used from the 1930s to the 1950s to accelerate protons, which would then bombard various nuclei. The cyclotron used a large electromagnet with an iron...
-
Find the absolute extreme values and where they occur. 5- 0 2 X
-
You decide to open an individual retirement account (IRA) at your local bank that pays 9 percent/year/month. For the next 30 years, starting 1 month from today, you will deposit $200 per month into...
-
You shoot a beam of electrons through a double slit to make an interference pattern. After noting the properties of the pattern, you then double the speed of the electrons. What effect would this...
-
Prove that \(A \oplus B \leftrightarrow(A \leftrightarrow B)^{\prime}\) is a tautology. Explain why this makes sense.
-
a. Which states of a hydrogen atom can be excited by a collision with an electron with kinetic energy \(K=12.5 \mathrm{eV}\) ? Explain. b. After the collision the atom is not in its ground state....
-
The Hubble Space Telescope has a mirror diameter of \(2.4 \mathrm{~m}\). Suppose the telescope was used to photograph the surface of the moon from a distance of \(3.8 \times 10^{8} \mathrm{~m}\)....
-
Find the Jordan matrix representing the differentiation operator on P3.
-
Consider the circuit of Fig. 7.97. Find v0 (t) if i(0) = 2 A and v(t) = 0. 1 3 ett)
-
Identify the reagents you would use to convert 1-pentene into a geminal dibromide (geminal indicates that both bromine atoms are connected to the same carbon atom).
-
At high temperatures, alkanes can undergo dehydrogenation to produce alkenes. For example: This reaction is used industrially to prepare ethylene while simultaneously serving as a source of hydrogen...
-
Identify the reagents you would use to convert methylcyclohexane into each of the following: (a) A 3 alkyl halide (b) A trisubstituted alkene (c) A 2 alcohol (d) 3-methylcyclohexene
-
Annuity Payments Go to www.fcfcorp.com/onlinecalc.htm. Use the calculator to solve this problem. If you have $1,500,000 when you retire and want to withdraw an equal amount for the next 30 years, how...
-
Calculating Future Values Go to www.dinkytown.net and follow the Savings Calculator link. If you currently have $10,000 and invest this money at 9 percent, how much will you have in 30 years? Assume...
-
In 2023, Amanda and Jaxon Stuart have a daughter who is 1 year old. The Stuarts are full-time students and are both 23 years old. Their only sources of income are gains from stock they held for three...
Study smarter with the SolutionInn App