Homework Answers
(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 *...
(10% ) Problem 9: Suppose you first walk 11 m in a direction 20° west of...
(10% ) Problem 9: Suppose you first walk 11 m in a direction 20° west of north and then 23.5 m in a direction 40° south of west as shown in the figure. 40° 20° Otheexpertta.com 25% Part (a) what is the component of your displacement in the x-direction, in meters? Grade Summary Potential 100% Submissions 0% sino cotanO asinO acosO atanO acotan0 sinho coshO tanh0 cotanho tan() π ( Attempts remaining 10 (7% per attempt) detailed view O Degrees...
(8%) Problem 12: When builders were constructing a sidewalk they forgot to include an expansion joint...
(8%) Problem 12: When builders were constructing a sidewalk they forgot to include an expansion joint between two of the segments, L = 1.6 m at To = 20° C. Assume the opposite ends of each segment are fixed and the linear expansion coefficient is a = 12.1 x 100 cl 50% Part (a) As the day heats to T, the segments press against each other and begin to raise the junction a distance h forming a triar is the...
1%) Problem 10: Consider the arrangement of point charges in the figure. Ga Id Otheexpertta.com C....
1%) Problem 10: Consider the arrangement of point charges in the figure. Ga Id Otheexpertta.com C. 50% Part (a) Determine the direction of the force on q (with q > 0) in the figure, given that 9,-96-+ 7.50 μC and qc Straight downward Correct 94°-750 2.75 μο. Grade Summary Deductions Potential 50% Part (b) Calculate the magnitude of the force on the charge q in newtons, given that the square is 7 cm on a side and q 4% 96%...
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....
(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...
(10%) Problem 9: Two charges _ q,-1.7x 10.6C, q,-4.8x 10-6C-are separated by a distance of d::...
(10%) Problem 9: Two charges _ q,-1.7x 10.6C, q,-4.8x 10-6C-are separated by a distance of d:: 425 m @w 5 %Part (a) Choose the correct expression for the distance, r m the first charge to the point where the electric field is zero. ro 1 42 V Correct >ム50% Part (b) What is the distance in meters? Grade Deduct Potenti sino l coso I tano ! π1 (mill-7 | 8| 9 cotanO asino acos0 atanO acotanO sinhto cosh tanhO cotanhQ)...
(796) Problem 3: Two electrons in a vacuum exert force of separated by x-7.8 times their...
(796) Problem 3: Two electrons in a vacuum exert force of separated by x-7.8 times their original distance. Dt -199E 8 Noneach other. Theyare then moved so that they are (« Sg 5000 Part (a) What is the force, in newtons, that the electrons experience at the new separation distance? F-32.71 10-13 sin cos cotan asin acost0 atano acotan0 sinhö cosho cotan Degrees Radians Feedback Igive up Feedback: deduction per feedback Hint ts:deduction per hint. Hints zemaining the electrons originally?
(8%) Problem 11: The print in many books averages 3.50 mm in height. Randomized Variables do...
(8%) Problem 11: The print in many books averages 3.50 mm in height. Randomized Variables do = 26 cm How big (in mm) is the image of the print on the retina when the book is held 26 cm from the eye? Assume the distance from the lens to the retina is 2.00 cm. d d Grade Summary Deductions Potential 100% Thal = Submissions Attempts remaining (3 per attempo sino cos tano cotano asin() acos atano acotan sinho) cosho tanho...
a and b needed (5%) Problem 14: The Seawolf class nuclear submarines have a crush depth...
a and b needed
(5%) Problem 14: The Seawolf class nuclear submarines have a crush depth of approximately d = 735 m. The density of seawater is e = 1,03x10 kg/ml. Atmospheric pressure is Po=1.01x10 Pa. theexpert A 50% Part (a) Find the inward force of the water, in newtons, at crush depth on a circular porthole with a radius of 0.43 m. Grade Summa Deductions Potential E 4 5 6 Submissions Attempts remai (49 per attemp detailed view sin()...
(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 *...
(10% ) Problem 9: Suppose you first walk 11 m in a direction 20° west of north and then 23.5 m in a direction 40° south of west as shown in the figure. 40° 20° Otheexpertta.com 25% Part (a) what is the component of your displacement in the x-direction, in meters? Grade Summary Potential 100% Submissions 0% sino cotanO asinO acosO atanO acotan0 sinho coshO tanh0 cotanho tan() π ( Attempts remaining 10 (7% per attempt) detailed view O Degrees...
(8%) Problem 12: When builders were constructing a sidewalk they forgot to include an expansion joint between two of the segments, L = 1.6 m at To = 20° C. Assume the opposite ends of each segment are fixed and the linear expansion coefficient is a = 12.1 x 100 cl 50% Part (a) As the day heats to T, the segments press against each other and begin to raise the junction a distance h forming a triar is the...
1%) Problem 10: Consider the arrangement of point charges in the figure. Ga Id Otheexpertta.com C. 50% Part (a) Determine the direction of the force on q (with q > 0) in the figure, given that 9,-96-+ 7.50 μC and qc Straight downward Correct 94°-750 2.75 μο. Grade Summary Deductions Potential 50% Part (b) Calculate the magnitude of the force on the charge q in newtons, given that the square is 7 cm on a side and q 4% 96%...
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....
(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...
(10%) Problem 9: Two charges _ q,-1.7x 10.6C, q,-4.8x 10-6C-are separated by a distance of d:: 425 m @w 5 %Part (a) Choose the correct expression for the distance, r m the first charge to the point where the electric field is zero. ro 1 42 V Correct >ム50% Part (b) What is the distance in meters? Grade Deduct Potenti sino l coso I tano ! π1 (mill-7 | 8| 9 cotanO asino acos0 atanO acotanO sinhto cosh tanhO cotanhQ)...
(796) Problem 3: Two electrons in a vacuum exert force of separated by x-7.8 times their original distance. Dt -199E 8 Noneach other. Theyare then moved so that they are (« Sg 5000 Part (a) What is the force, in newtons, that the electrons experience at the new separation distance? F-32.71 10-13 sin cos cotan asin acost0 atano acotan0 sinhö cosho cotan Degrees Radians Feedback Igive up Feedback: deduction per feedback Hint ts:deduction per hint. Hints zemaining the electrons originally?
(8%) Problem 11: The print in many books averages 3.50 mm in height. Randomized Variables do = 26 cm How big (in mm) is the image of the print on the retina when the book is held 26 cm from the eye? Assume the distance from the lens to the retina is 2.00 cm. d d Grade Summary Deductions Potential 100% Thal = Submissions Attempts remaining (3 per attempo sino cos tano cotano asin() acos atano acotan sinho) cosho tanho...
a and b needed
(5%) Problem 14: The Seawolf class nuclear submarines have a crush depth of approximately d = 735 m. The density of seawater is e = 1,03x10 kg/ml. Atmospheric pressure is Po=1.01x10 Pa. theexpert A 50% Part (a) Find the inward force of the water, in newtons, at crush depth on a circular porthole with a radius of 0.43 m. Grade Summa Deductions Potential E 4 5 6 Submissions Attempts remai (49 per attemp detailed view sin()...
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