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(8%) Problem 12: When builders were constructing a sidewalk they forgot to include an expansion joint...
when builders were constructing a sidewalk they forgot to include an expansion joint between the two...
when builders were constructing a sidewalk they forgot to include
an expansion joint between the two of the segments, L = 2.8 m at
To=20 deg C
Assume the opposite ends of each segment are fixed and the
linear equation coeeficient is 12.9 x 10^-6 deg C-1.
see picture for answering a and b
the segments press against each other and begin to raise the junction a distance forming a triangle What # 50% Part() As the day heats to...
omework I Begin Date: 8/28/2019 v. 12%) Problem 10: Suppose a point charge creates a 9500...
omework I Begin Date: 8/28/2019 v. 12%) Problem 10: Suppose a point charge creates a 9500 N/C electric field at a distance of 0.65 m A 50% Part (a) What is the magnitude of the point charge in coulombs? cos tano acos sino cotano asino atano acotan cosho tanh) • Degrees 789 4 5 6 1 2 3 sinh cotanho Radians Submat Hint Feedback I give up! its: 0% deduction per hint. Hints remaining 1 Feedback: 0% deduction per feedback....
blem 9: Two charges 48 x 10 C, 4258 x 10 C- are separated by a...
blem 9: Two charges 48 x 10 C, 4258 x 10 C- are separated by a distance of d - 1.75 m -6C- 虹= 5.8 x104c-are separated by a distance of d= 1.75 m. 园 for the distance, r from the first change to the point where the electric field is zero. 50% Part (a) Choose the correct expression 42 V Correct ed ed ed ted 50% Part (b) what is the distance in meters? Grade Summary Deductions 0% Potential...
(85) Problem 6: Find the ranges for the projectiles in the figure for the elevation angle...
(85) Problem 6: Find the ranges for the projectiles in the figure for the elevation angle of = 46.4" and the initial speeds given in the data below. RT R2 Ctheexpertta.com 33 Part (a) Find the range, in meters, for the projectile with a speed of 7.5 m/s. R = 1 Grade Summary Deductions Potential 1005 Submissions Attempts remaining: 10 s per attempt detalled view sino cos t an) cotan() asino acoso atano acotan) sinh cosho) tinh). Canh) Degrees Radians...
(25%) Problem 4: A shopper standing 3.25 m from a convex security mirror sees his image...
(25%) Problem 4: A shopper standing 3.25 m from a convex security mirror sees his image with a magnification of 0.275. 33% Part (a) What is his image distance in meters, measured from the surface of the mirror, given that the object distance is positive? d; = -0.89 d;=-0.89 Correct! 33% Part (b) What is the focal length of the mirror, in meters? f = -0.821 sino cos tan() cotan asino acos atan) acotan sinh cosh tanh) cotanh) Degrees Radians...
(8%) Problem 2: Components of some computers communicate with each other through optical fibers having an...
(8%) Problem 2: Components of some computers communicate with each other through optical fibers having an index of refraction n = 1.55. Randomized Variables d= 0.215 m A What time in nanoseconds is required for a signal to travel 0.215 m through such a fiber? Grade Summary Deductions 0% Potential 100% 77 7 8 9 HOME E 4 5 6 sin cotan atan cosh cos tan asino acos acotano sinh) tanh cotanh( Degrees O Radians Submissions Attempts remaining: 10 (3%...
(9%) Problem 7: A bicycle tire has a pressure of 7.15 x 10 Pa at a...
(9%) Problem 7: A bicycle tire has a pressure of 7.15 x 10 Pa at a temperature of 19.5°C and contains 2.00 L of gas. What will its pressure be, in pascals, if you let out an amount of air that has a volume of 105 cm'at atmospheric pressure and at the temperature of the tire? Assume tire temperature and volume remain constant. Grade Summary Deductions 0% Potential 100% sino tan) 78 9 HOME Submissions cotan asino acos ETA 4...
(20%) Problem 3: Suppose two children push horizontally, but in exactly opposite directions, on a third...
(20%) Problem 3: Suppose two children push horizontally, but in exactly opposite directions, on a third child in a sled. The first child exerts a force of 78 N, the second a force of 97 N, kinetic friction is 5.5 N, and the mass of the third child plus sled is 21.5 kg. incorrect Answer The provided answer is not correct and no specific feedback is available. Please view available hints and review the relevant material Close -ted sted *...
(15%) Problem 8: Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere...
(15%) Problem 8: Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere produces a muon that has speed v = 0.92c. The muon then travels at constant speed and lives 1.5 us as measured in the muon's frame of reference. (You can imagine this as the muon's internal clock.) Randomized Variables y = 0.92 c t = 1.5 us > * 33% Part (a) How long does the muon live in seconds) as observed on the...
(10%) Problem 7: sphere of radius r2 their size. A conducting sphere of radius r,-0.49 m...
(10%) Problem 7: sphere of radius r2 their size. A conducting sphere of radius r,-0.49 m has a total charge of Q-1.6 pC Another uncharged conducting 0.23 m joins to the initial by a small conducting wire. The spheres are separated by a huge distance compared to us IS al pleted mpleted mpleted mpleted mpleted rtial 50% Part (a) what is the total charge on sphere two Q2 after they are connected, in coulombs? Grade Sumn Deductions Potential Submissions Attempts...
when builders were constructing a sidewalk they forgot to include
an expansion joint between the two of the segments, L = 2.8 m at
To=20 deg C
Assume the opposite ends of each segment are fixed and the
linear equation coeeficient is 12.9 x 10^-6 deg C-1.
see picture for answering a and b
the segments press against each other and begin to raise the junction a distance forming a triangle What # 50% Part() As the day heats to...
omework I Begin Date: 8/28/2019 v. 12%) Problem 10: Suppose a point charge creates a 9500 N/C electric field at a distance of 0.65 m A 50% Part (a) What is the magnitude of the point charge in coulombs? cos tano acos sino cotano asino atano acotan cosho tanh) • Degrees 789 4 5 6 1 2 3 sinh cotanho Radians Submat Hint Feedback I give up! its: 0% deduction per hint. Hints remaining 1 Feedback: 0% deduction per feedback....
blem 9: Two charges 48 x 10 C, 4258 x 10 C- are separated by a distance of d - 1.75 m -6C- 虹= 5.8 x104c-are separated by a distance of d= 1.75 m. 园 for the distance, r from the first change to the point where the electric field is zero. 50% Part (a) Choose the correct expression 42 V Correct ed ed ed ted 50% Part (b) what is the distance in meters? Grade Summary Deductions 0% Potential...
(85) Problem 6: Find the ranges for the projectiles in the figure for the elevation angle of = 46.4" and the initial speeds given in the data below. RT R2 Ctheexpertta.com 33 Part (a) Find the range, in meters, for the projectile with a speed of 7.5 m/s. R = 1 Grade Summary Deductions Potential 1005 Submissions Attempts remaining: 10 s per attempt detalled view sino cos t an) cotan() asino acoso atano acotan) sinh cosho) tinh). Canh) Degrees Radians...
(25%) Problem 4: A shopper standing 3.25 m from a convex security mirror sees his image with a magnification of 0.275. 33% Part (a) What is his image distance in meters, measured from the surface of the mirror, given that the object distance is positive? d; = -0.89 d;=-0.89 Correct! 33% Part (b) What is the focal length of the mirror, in meters? f = -0.821 sino cos tan() cotan asino acos atan) acotan sinh cosh tanh) cotanh) Degrees Radians...
(8%) Problem 2: Components of some computers communicate with each other through optical fibers having an index of refraction n = 1.55. Randomized Variables d= 0.215 m A What time in nanoseconds is required for a signal to travel 0.215 m through such a fiber? Grade Summary Deductions 0% Potential 100% 77 7 8 9 HOME E 4 5 6 sin cotan atan cosh cos tan asino acos acotano sinh) tanh cotanh( Degrees O Radians Submissions Attempts remaining: 10 (3%...
(9%) Problem 7: A bicycle tire has a pressure of 7.15 x 10 Pa at a temperature of 19.5°C and contains 2.00 L of gas. What will its pressure be, in pascals, if you let out an amount of air that has a volume of 105 cm'at atmospheric pressure and at the temperature of the tire? Assume tire temperature and volume remain constant. Grade Summary Deductions 0% Potential 100% sino tan) 78 9 HOME Submissions cotan asino acos ETA 4...
(20%) Problem 3: Suppose two children push horizontally, but in exactly opposite directions, on a third child in a sled. The first child exerts a force of 78 N, the second a force of 97 N, kinetic friction is 5.5 N, and the mass of the third child plus sled is 21.5 kg. incorrect Answer The provided answer is not correct and no specific feedback is available. Please view available hints and review the relevant material Close -ted sted *...
(15%) Problem 8: Suppose a cosmic ray colliding with a nucleus in the Earth's upper atmosphere produces a muon that has speed v = 0.92c. The muon then travels at constant speed and lives 1.5 us as measured in the muon's frame of reference. (You can imagine this as the muon's internal clock.) Randomized Variables y = 0.92 c t = 1.5 us > * 33% Part (a) How long does the muon live in seconds) as observed on the...
(10%) Problem 7: sphere of radius r2 their size. A conducting sphere of radius r,-0.49 m has a total charge of Q-1.6 pC Another uncharged conducting 0.23 m joins to the initial by a small conducting wire. The spheres are separated by a huge distance compared to us IS al pleted mpleted mpleted mpleted mpleted rtial 50% Part (a) what is the total charge on sphere two Q2 after they are connected, in coulombs? Grade Sumn Deductions Potential Submissions Attempts...
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