Homework Answers
We know that stress= force/area
as we can see in the equation that the equation is independent of length so the amount of force required to break the longer wire will be same.
the force that will stretch it to its breaking point is equal to F
Add Answer to:
Question 8 4 points Save Answer A wire is stretched just to its breaking point by...
Question 18 4 points Save Answer When tension is applied to a metal wire of length...
Question 18 4 points Save Answer When tension is applied to a metal wire of length L, it stretches by AL. If the same tension is applied to a metal wire of the same material with the same cross-sectional area but of length 2L, by how much will it stretch? b AL
QUESTION 9 1 points Save Answer Past experience has indicated that the breaking strength of yarn...
QUESTION 9 1 points Save Answer Past experience has indicated that the breaking strength of yarn used in manufacturing drapery material is normally distributed and that ơ-6.2 psi A randorm sample of nine specimens is tested, and the average breaking strength s found to be 7 psi The 95% confidence interval for the truc mean breaking strength is written as (A ; B). Find the value of A? round your answer to three digits. QUESTION 10 1 points Save Answer...
Question 4 1 pts A wire made from a composite material is shaped into a cylinder...
Question 4 1 pts A wire made from a composite material is shaped into a cylinder and is stretched by a machine pulling in opposite directions at the two ends of the wire. The wire has an initial length of 1.20 m and an initial cross-sectional area of 9.00 x 10-6m2. If a force of 450 N stretches it by 2.1 mm and the wire returns to its original shape after being stretched, what is the Young's Modulus of the...
Question 4 16 points Save As Consider the triangular prism shaped wire shown in the figure...
Question 4 16 points Save As Consider the triangular prism shaped wire shown in the figure below where the triangular part is an equilateral triangle with sides c10 mm. The current runs along the length of the wire where -7 m and the wire has cylindrical hole along its length with a cross sectional area of A-17 mm2. if the wire is made out of a material whose resistivity is 179 100m, determine the resistance of the wire Please express...
just the answer please. no need for solution L Moving to another question will save this...
just the answer please. no need for solution
L Moving to another question will save this response. uestion 7 How much force is needed to make a rocket move in constant velocity in a frictionless outer space? the force needed is equal to its thrust Oe=mc2 O incomplete data given O Its equal to the net force acting in the object o nothing, just nothing A Moving to another question will save this response. L Moving to another question will...
Question 9 (9 points) 1 is decreasing In the figure to the right the magnitude of...
Question 9 (9 points) 1 is decreasing In the figure to the right the magnitude of the current, I, in the wire is decreasing. The two loops A and B are made from the same material and are at the same distance from the wire. Loop B is twice as large as loop A. i. What is the direction of the induced current in loop Aand loop B? (4pts) ii.Is the magnitude of the induced current in A equal to,...
Question 4 1 points Save an B. 0.3m 0.6m 0.1m Super Conductors Sold Here A reputable...
Question 4 1 points Save an B. 0.3m 0.6m 0.1m Super Conductors Sold Here A reputable business has a uniform rectangular sign 1m in length, supported by two wires as shown. If the mass of the sign is 6 kg, what is the tension in wire B on the right? 2.ON 19.6 N 32.7 N 39.2 N 58.8 N tion will save this response. Question 8 of 14 Save Answe Question 8 1 points Find the minimum diameter of a...
QUESTION 1 1 points 1 points Save Answer Save Answer Calcium hydroxide is a slightly soluble...
QUESTION 1 1 points 1 points Save Answer Save Answer Calcium hydroxide is a slightly soluble salt. A saturated solution of calcium hydroxide is prepared, and comes to equilibrium: Ca(OH)2 (s) + Ca2+(aq) + 2 OH"(aq) What is the solubility product constant (Ksp) expression for this equilibrium? [Ca2+ [OH-] [Ca(OH)2] A. Ksp = B. Ksp = [Ca2+1OH-] c Ksp = [Ca2+[OH-] [caz+Com'] [Ca(OH)2] QUESTION 2 1 points Save Answer Consider a chemical reaction which has achieved a state of equilibrium....
1. A ductile metal wire has resistance R. Then the wire is stretched to three times...
1. A ductile metal wire has resistance R. Then the wire is stretched to three times its original(poin) length. The stretching shrinks the diameter of the wire, but does not affect its density or resistivity. What is the resistance of the stretched wire? O3R 2. A current of 1.50 A flows through the leads of an electric appliance. How long does it take for (1 point) 7.50 C of charge to pass through the leads? 0 2.00s 11.0 s 6.00s...
Answer all the questions or leave it 25 points Save Aeswer Given the diameter D of...
Answer all the questions or leave it
25 points Save Aeswer Given the diameter D of a rod, what equation would you use to calculate its cross-sectional area? 25 points Save Answer Objects made of the same material but of different shape will have different resistivity value. O True O False A copper rod has a resistance 2.06a.When a voltage of 3.95volts is applied across the copper rod. What is the electric current (in umit of amp) running through the...
Question 18 4 points Save Answer When tension is applied to a metal wire of length L, it stretches by AL. If the same tension is applied to a metal wire of the same material with the same cross-sectional area but of length 2L, by how much will it stretch? b AL
QUESTION 9 1 points Save Answer Past experience has indicated that the breaking strength of yarn used in manufacturing drapery material is normally distributed and that ơ-6.2 psi A randorm sample of nine specimens is tested, and the average breaking strength s found to be 7 psi The 95% confidence interval for the truc mean breaking strength is written as (A ; B). Find the value of A? round your answer to three digits. QUESTION 10 1 points Save Answer...
Question 4 1 pts A wire made from a composite material is shaped into a cylinder and is stretched by a machine pulling in opposite directions at the two ends of the wire. The wire has an initial length of 1.20 m and an initial cross-sectional area of 9.00 x 10-6m2. If a force of 450 N stretches it by 2.1 mm and the wire returns to its original shape after being stretched, what is the Young's Modulus of the...
Question 4 16 points Save As Consider the triangular prism shaped wire shown in the figure below where the triangular part is an equilateral triangle with sides c10 mm. The current runs along the length of the wire where -7 m and the wire has cylindrical hole along its length with a cross sectional area of A-17 mm2. if the wire is made out of a material whose resistivity is 179 100m, determine the resistance of the wire Please express...
just the answer please. no need for solution
L Moving to another question will save this response. uestion 7 How much force is needed to make a rocket move in constant velocity in a frictionless outer space? the force needed is equal to its thrust Oe=mc2 O incomplete data given O Its equal to the net force acting in the object o nothing, just nothing A Moving to another question will save this response. L Moving to another question will...
Question 9 (9 points) 1 is decreasing In the figure to the right the magnitude of the current, I, in the wire is decreasing. The two loops A and B are made from the same material and are at the same distance from the wire. Loop B is twice as large as loop A. i. What is the direction of the induced current in loop Aand loop B? (4pts) ii.Is the magnitude of the induced current in A equal to,...
Question 4 1 points Save an B. 0.3m 0.6m 0.1m Super Conductors Sold Here A reputable business has a uniform rectangular sign 1m in length, supported by two wires as shown. If the mass of the sign is 6 kg, what is the tension in wire B on the right? 2.ON 19.6 N 32.7 N 39.2 N 58.8 N tion will save this response. Question 8 of 14 Save Answe Question 8 1 points Find the minimum diameter of a...
QUESTION 1 1 points 1 points Save Answer Save Answer Calcium hydroxide is a slightly soluble salt. A saturated solution of calcium hydroxide is prepared, and comes to equilibrium: Ca(OH)2 (s) + Ca2+(aq) + 2 OH"(aq) What is the solubility product constant (Ksp) expression for this equilibrium? [Ca2+ [OH-] [Ca(OH)2] A. Ksp = B. Ksp = [Ca2+1OH-] c Ksp = [Ca2+[OH-] [caz+Com'] [Ca(OH)2] QUESTION 2 1 points Save Answer Consider a chemical reaction which has achieved a state of equilibrium....
1. A ductile metal wire has resistance R. Then the wire is stretched to three times its original(poin) length. The stretching shrinks the diameter of the wire, but does not affect its density or resistivity. What is the resistance of the stretched wire? O3R 2. A current of 1.50 A flows through the leads of an electric appliance. How long does it take for (1 point) 7.50 C of charge to pass through the leads? 0 2.00s 11.0 s 6.00s...
Answer all the questions or leave it
25 points Save Aeswer Given the diameter D of a rod, what equation would you use to calculate its cross-sectional area? 25 points Save Answer Objects made of the same material but of different shape will have different resistivity value. O True O False A copper rod has a resistance 2.06a.When a voltage of 3.95volts is applied across the copper rod. What is the electric current (in umit of amp) running through the...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago