Homework Answers
Force, F = mg
A)
Force, F1 = 7.4 x 10^-7 x 9.8 = 7.25 x 10^-6 N
B)
Force, F2 = 7.25 x 10^-6 N
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Chapter 04, Problem 023 GO 09 Your answer is partially correct. Try again. 716 17 A...
PRINTER VERSION ACKNOT Chapter 09, Problem 04 GO Your answer is partially correct. Try again. Two...
PRINTER VERSION ACKNOT Chapter 09, Problem 04 GO Your answer is partially correct. Try again. Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree trunk at an angle of 27.00 above the horizont e d h of 47.0 kg, is hanging 1.40 m long the branch from the tree trunk. The other child with a mass of 31.0 kg. Is hanging 2.15 m from the tree trunk what...
Chapter 27, Problem 023 Partially correct answer. Your answer is partially correct. Try again. In the...
Chapter 27, Problem 023
Partially correct answer. Your answer is partially correct. Try
again. In the figure R1 = 130 Ω, R2 = 50 Ω, and the ideal batteries
have emfs ε1 = 6.0 V, ε2 = 5.0 V, and ε3 = 4.0 V. Find (a) the
current in R1, (b) the current in R2, and (c) the potential
difference between points a and b.
R2 8 R w
Chapter 05, Problem 31 GO Your answer is partially correct. Try again. Two satellites are in...
Chapter 05, Problem 31 GO Your answer is partially correct. Try again. Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 361 km above the earth's surface, while that for satellite B is at a height of 780 km. And the orbital speed for (a) satellite A and (b) satelite (a) VA (1) Ve Click If you would like to Show Work for this questioni Modi Show Work
Chapter 27, Problem 54 GO Your answer is partially correct. Try again. A soap film (n...
Chapter 27, Problem 54 GO Your answer is partially correct. Try again. A soap film (n = 1.33) is 464 nm thick and lies on a glass plate (n = 1.52). Sunlight, whose wavelengths (in vacuum) extend from 380 to 750 nm, travels through the air and strikes the film perpendicularly. For which wavelength(s) in this range does destructive interference cause the film to look dark in reflected light? [822.826 Avacuum nm the tolerance is +/-2% Click if you would...
I need help! NEXT Chapter 10, Problem 38 GO Your answer is partially correct. Try again....
I need help!
NEXT Chapter 10, Problem 38 GO Your answer is partially correct. Try again. A 0.45-kg metal sphere oscilates at the end of a vertical spring. As the spring stretches from 0.12 m to 0:23 m (relative to its unstrained length), the speed of the sphere decreases from 7.1 to 4.7 m/s. What is the spring constant of the spring? Number Units N/m the tolerance is +/-296 Click if you would like to Show Work for this question:...
Chapter 1b, Problem 24 GO Your answer is partially correct. Try again. A wave traveling along...
Chapter 1b, Problem 24 GO Your answer is partially correct. Try again. A wave traveling along the x axis is described mathematically by the equation y-0. 17 sin(7.7t +0.797), where y is the displacement (in meters), ti in seconds and x is in meters. What is the speed of the wave? Unitsme the tolerance is +/-5%
Chapter 21, Problem 07 your answer is partially correct. Try again. A magnetic field has a...
Chapter 21, Problem 07 your answer is partially correct. Try again. A magnetic field has a magnitude of 0.0012 T, and an electric field has a magnitude of 4.9 x 103 N/C. Both fields point in the same direction. A positive 2.1- C charge moves at a speed of 4.4 x 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge. BA Ē 9 90° Number Units...
Chapter 09, Problem 048 Your answer is partially correct. Try again Particle A and particle are...
Chapter 09, Problem 048 Your answer is partially correct. Try again Particle A and particle are held together with a compressed spring between them. When they are released, the spring pushes them apart and they then fly off in opposite directions, free of the spring. The mass of A is 2.00 times the mass of , and the energy stored in the spring was 80 ). Assume that the spring has negligible mass and that all its stored energy is...
Please answer all problems. Chapter 18, Problem 33 Your answer is partially correct. Try again. Four...
Please
answer all problems.
Chapter 18, Problem 33 Your answer is partially correct. Try again. Four point charges have the same magnitude of 2.6 × 10-12 C and are fixed to the corners of a square that is 4.5 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at the center of the square. Number 1159.99038616 Units T N/C the tolerance is +/-296 Open Show...
Chapter 04. Problem 039 Your answer is partially correct. Try again, In the figure, a ball...
Chapter 04. Problem 039 Your answer is partially correct. Try again, In the figure, a ball is thrown leftward from the left edge of the roof, at height h above the ground. The ball hits the grosind 1.50 s later, at distanced - 21.0m from the building and at angle 8-62.0" with the horizontal. (a) Find h. (Hint: One way is to reverse the motion, as if on videotape.) What are the (b) magnitude and (c) angle relative to the...
PRINTER VERSION ACKNOT Chapter 09, Problem 04 GO Your answer is partially correct. Try again. Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree trunk at an angle of 27.00 above the horizont e d h of 47.0 kg, is hanging 1.40 m long the branch from the tree trunk. The other child with a mass of 31.0 kg. Is hanging 2.15 m from the tree trunk what...
Chapter 27, Problem 023
Partially correct answer. Your answer is partially correct. Try
again. In the figure R1 = 130 Ω, R2 = 50 Ω, and the ideal batteries
have emfs ε1 = 6.0 V, ε2 = 5.0 V, and ε3 = 4.0 V. Find (a) the
current in R1, (b) the current in R2, and (c) the potential
difference between points a and b.
R2 8 R w
Chapter 05, Problem 31 GO Your answer is partially correct. Try again. Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 361 km above the earth's surface, while that for satellite B is at a height of 780 km. And the orbital speed for (a) satellite A and (b) satelite (a) VA (1) Ve Click If you would like to Show Work for this questioni Modi Show Work
Chapter 27, Problem 54 GO Your answer is partially correct. Try again. A soap film (n = 1.33) is 464 nm thick and lies on a glass plate (n = 1.52). Sunlight, whose wavelengths (in vacuum) extend from 380 to 750 nm, travels through the air and strikes the film perpendicularly. For which wavelength(s) in this range does destructive interference cause the film to look dark in reflected light? [822.826 Avacuum nm the tolerance is +/-2% Click if you would...
I need help!
NEXT Chapter 10, Problem 38 GO Your answer is partially correct. Try again. A 0.45-kg metal sphere oscilates at the end of a vertical spring. As the spring stretches from 0.12 m to 0:23 m (relative to its unstrained length), the speed of the sphere decreases from 7.1 to 4.7 m/s. What is the spring constant of the spring? Number Units N/m the tolerance is +/-296 Click if you would like to Show Work for this question:...
Chapter 1b, Problem 24 GO Your answer is partially correct. Try again. A wave traveling along the x axis is described mathematically by the equation y-0. 17 sin(7.7t +0.797), where y is the displacement (in meters), ti in seconds and x is in meters. What is the speed of the wave? Unitsme the tolerance is +/-5%
Chapter 21, Problem 07 your answer is partially correct. Try again. A magnetic field has a magnitude of 0.0012 T, and an electric field has a magnitude of 4.9 x 103 N/C. Both fields point in the same direction. A positive 2.1- C charge moves at a speed of 4.4 x 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge. BA Ē 9 90° Number Units...
Chapter 09, Problem 048 Your answer is partially correct. Try again Particle A and particle are held together with a compressed spring between them. When they are released, the spring pushes them apart and they then fly off in opposite directions, free of the spring. The mass of A is 2.00 times the mass of , and the energy stored in the spring was 80 ). Assume that the spring has negligible mass and that all its stored energy is...
Please
answer all problems.
Chapter 18, Problem 33 Your answer is partially correct. Try again. Four point charges have the same magnitude of 2.6 × 10-12 C and are fixed to the corners of a square that is 4.5 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at the center of the square. Number 1159.99038616 Units T N/C the tolerance is +/-296 Open Show...
Chapter 04. Problem 039 Your answer is partially correct. Try again, In the figure, a ball is thrown leftward from the left edge of the roof, at height h above the ground. The ball hits the grosind 1.50 s later, at distanced - 21.0m from the building and at angle 8-62.0" with the horizontal. (a) Find h. (Hint: One way is to reverse the motion, as if on videotape.) What are the (b) magnitude and (c) angle relative to the...
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