• Home
• physics homework help

# Physics Homework Help | Physics Assignment Help

Get 24/7 Personalized Online Physics Help From Experts For Top Grades

## Popular Subjects for Physics Homework Help

You can get the best rated step-by-step problem explanations from 65000+ expert tutors by ordering TutorBin Physics homework help.

### Recently Asked Physics Questions

Expert help when you need it
• Q1: 3/263 The 3000-kg anvil A of the drop forge is mounted on a nest of heavy coil springs having a combined stiffness of 2.8(10º) N/m. The 600-kg hammer B falls 500 mm from rest and strikes the anvil,which suffers a maximum downward deflection of24 mm from its equilibrium position. Determine the height h of rebound of the hammer and the coefficient of restitution e which applies. See Answer
• Q2: 5/69 The two pulleys are riveted together to form a single rigid unit, and each of the two cables is securely wrapped around its respective pulley. If point A on the hoisting cable has a velocity v = 3 ft/sec,determine the magnitudes of the velocity of point Ond the velocity of point B on the larger pulley for the position shown.See Answer
• Q3: /61 The cart has a velocity of 4 ft/sec to the right. Deter-mine the angular speed N of the wheel so that point A on the top of the rim has a velocity (a) equal to4 ft/sec to the left, (b) equal to zero, and (c) equal to8 ft/sec to the right. See Answer
• Q4: 5/60 The uniform rectangular plate moves on the horizontal surface. Its mass center has a velocity ve =3 m/s directed parallel to the x-axis and the plate has a counterclockwise (as seen from above) angular velocity w = 4 rad/s. Determine the velocities of points A and B. See Answer
• Q5: Consider the arrangement shown in Figure 1. The elements P1, P2, P3 andPa are located at coordinates (x, y, z): P1 : (0,0,0); P2 : (a, 2/3a, 0); Р3: (2а, 0,0); P1: (а, — 2а,0) Suppose that P1, P2, P3 and P4 are point charges of charge q1 = q,92 = q, 93 = -q and q4 = -q. Find the expression for the x andy components of the electric field E at the coordinate of PA. Hence,calculate the magnitude and the angle of the electric field E at the coordinate of P4 considering a = 1 m and q == 10-9 C.[25] Suppose that P1, P2, P3 and P4 are infinite charged lines extending into the z direction and of charge density ơ1 = sigma, sigma2 = 0, sigma3 = -sigma and sigma4 = -sigma. Find the expression for the x and y components of the electric field at the coordinate of P4. Hence, calculate the magnitude and the angle of the electric field E at the coordinate of P, considering[25]a = 1m and o =10-9 C/m. Suppose that P, P2, P3 and P4 are infinite current-carrying wires extending into the z direction, and carrying currents I = I, I2 = I,I3 = -I and I4 = -I. Positive currents flows along the z direction whereas negative currents are anti parallel to z. Find the expression for the x and y components of the magnetic field B at the coordinate of P4. Hence, calculate the value of the magnitude and the angle of the magnetic field B at the coordinate of P4 considering a = 1 m andI = 1 A.[25] Suppose that P1, P2, P3 and P4 are infinite current-carrying wires extending into the z direction, and carrying currents I = I, I2 = I,I3 = -I and Whereas negative currents are anti parallel to z. Find the expression for the x and y components of the force per unit length f that P1,P2, P3 and Pa excerpt on P4. Hence, calculate the magnitude and the angle of f considering a = 1 m and I = 1 A.= -I. Positive currents flows along the z directionSee Answer
• Q6: 23What is the drift speed of the conduction electrons in a copper wire with radius r =900 mm when it has a uniform current / = 17mA? Assume that each copper atom contributes one conduction electron to the current and that the current density is uniform across the wire's cross section. The number of electrons per unit volume, n =8.49 x 1028 m-3 \text { a. } 3.0 \times 10^{-7} \mathrm{~m} / \mathrm{s} \text { b. } 5.0 \times 10^{-6} \mathrm{~m} / \mathrm{s} \text { c. } 4.9 \times 10^{-7} \mathrm{~m} / \mathrm{s} \text { d. } 6.0 \times 10^{-9} \mathrm{~m} / \mathrm{s} \text { e. } 3.5 \times 10^{-8} \mathrm{~m} / \mathrm{s}See Answer
• Q7: /71 Determine the angular velocity of bar AB just after roller B has begun moving up the 15° incline. At the instant under consideration, the velocity of roller A is VA- See Answer
• Q8:Acceleration is a scalar quantity.See Answer
• Q9: The deepest point of the ocean is in the Mariana Trench, 11 km deep, in the Pacific. The pressure at this depth is 1.13x108 N/m². A. Calculate the change in volume of 1.00 m3 of seawater carried from the surface to this deepest point. B. The density of seawater at the surface is 1.03x103 kg/m3. Find its density at the bottom.See Answer
• Q10: A light spring of constant A = 90.0 N/n is attached vertically to a table (Fig. P15.55a). A2.00-g balloon is filled with helium (density = 0.180 kg/m)to a volume of 5.00 m and is then connected to the spring.causing it to stretch as shown in Figure P15.55b. Determine the extension distance L when the balloon is in equilibrium. See Answer
• Q11: A solid ball of radius R is composed of a dielectric insulator of permittivity ɛ. The outside surface of the ball carries a static surface charge of(theta). (a) Determine the boundary conditions satisfied by the potential V(r) (i) at the center of the ball, (ii) at the surface of the ball, and (iii) at infinity. (b) Find the voltage V (r) both inside and outside the ball,expressed as an infinite sum with coefficients depending on integrals of of(theta). (c) Suppose that the static charge is concentrated in a ring at polar angle theta = theta0, with total charge qf in the ring. Find the electric field at the center of the ball in terms of qf, theta0 Re and e0 and e- infinity limits (d) Locate the center of charge in the situation described-in part (c) and verify your answer behaves as expected in the e → €, and ɛ → ∞ limits.See Answer
• Q12: An electromagnetic wave propagating in free space has an electric fieldamplitude of A-2 V/m. Calculate the magnetic field amplitude, the energy density of both theelectric and the magnetic field, and the total energy density of the wave.See Answer
• Q13: One end of a light spring with force constant k 100 N/m is attached to a venical wall. A light string is tied to the other end of thew-RMhorizontal spring. As shown in Figure P12.57, the string changes from n horizontal to venical as it passes over a pulley of mass M in the shape of a solid disk of radius R= 2.00 cm. The pulley is free to turn on a fixed, smooth axle. The vertical section of the suing supports an object of mass m = 200 g. The string does not slip at its contaCi with the pulley. The object is pulled down-ward a small distance and released. (a) What is the angular frequency a of oscillation of the object in terms of the mass M: (b) What is the highest possible value of the angular frequency of oscillation of the object? (c) What is the highest possible value of the angular frequency of oscillation of the object if the pulley radius is doubled to R 4.00 cm?Figure P12.57 See Answer
• Q14:What is the electric field's oscillation period?See Answer
• Q15:What is the electric field amplitude?See Answer
• Q16: What is the polarization? What is the intensity of this electromagnetic wave?See Answer
• Q17: Calculate the location of the center of mass for the compound object shown below. A. Find the x component of the center of mass. Give your answer in meters. B. Find the y component of the center of mass. Give your answer in meters. See Answer
• Q18: There are 3 balls on a horizontal, smooth surface. A 5 kg ball comes from the left with a speedof 4 m/s. It has an elastic collision with an 8 kg ball which is at rest. The 8 kg ball then has anelastic collision with an 11 kg ball which is at rest. A. Calculate the velocity of the 5 kg ball after it collides with the 8 kg ball. Give your answer inm/s. B. Calculate the velocity of the 8 kg ball after the 5 kg ball collides with it. Give your answer inm/s. C. Calculate the velocity of the 8 kg ball after it collides with the 11 kg ball. Give your answer in m/s. D. Calculate the velocity of the 11 kg ball after the 8 kg ball collides with it. Give your answer in m/s. See Answer
• Q19: 13.-(5 Points) A 500 g mass swings on a 60-cm-string as a pendulum. The amplitudes observed to decay to half its initial value after 35 oscillations. a) What is the time constant for the oscillator? b) At what time will the energy have decayed to half its initial value?See Answer
• Q20: An electromagnetic wave propagating in free space has an electric fieldamplitude of A:2 V/m. (a)Calculate the electric field between the plates and the magnitude anddirection of the electric force FE exerted on each of the test chargesdue to that electric field.[8 Marks] (b)Calculate the magnitude and direction of the magnetic fieldsurrounding the wire at a distance r = 5cm from the wire. State the magnitude and direction of the magnetic force FM exertedon each of the test charges due to that magnetic field. (c)Combine the electric and magnetic forces to find the magnitude anddirection of the total force on each of the test charges.See Answer

## Student Stories

Tutorbin has got more than 3k positive ratings from our users around the world. Some of the students and teachers were greatly helped by the TutorBin.

"They provide excellent assistance. What I loved the most about them is their homework help. They are available around the clock and work until you derive complete satisfaction. If you decide to use their service, expect a positive disconfirmation of expectations."

Willow

"After using their service, I decided to return back to them whenever I need their assistance. They will never disappoint you and craft the perfect homework for you after carrying out extensive research. It will surely amp up your performance and you will soon outperform your peers."

Olivia

"Ever since I started using this service, my life became easy. Now I have plenty of time to immerse myself in more important tasks viz., preparing for exams. TutorBin went above and beyond my expectations. They provide excellent quality tasks within deadlines. My grades improved exponentially after seeking their assistance."

Gloria

"They are amazing. I sought their help with my art assignment and the answers they provided were unique and devoid of plagiarism. They really helped me get into the good books of my professor. I would highly recommend their service."

Michael

"The service they provide is great. Their answers are unique and expert professionals with a minimum of 5 years of experience work on the assignments. Expect the answers to be of the highest quality and get ready to see your grades soar."

Richard

"They provide excellent assistance. What I loved the most about them is their homework help. They are available around the clock and work until you derive complete satisfaction. If you decide to use their service, expect a positive disconfirmation of expectations."

Willow

"After using their service, I decided to return back to them whenever I need their assistance. They will never disappoint you and craft the perfect homework for you after carrying out extensive research. It will surely amp up your performance and you will soon outperform your peers."

Olivia

## TutorBin helping students around the globe

TutorBin believes that distance should never be a barrier to learning. Over 500000+ orders and 100000+ happy customers explain TutorBin has become the name that keeps learning fun in the UK, USA, Canada, Australia, Singapore, and UAE.

## Physics Homework Help- Best Solution For Students

Proficiency in the field of physics demands extreme efforts from students. Achieving the desired efficiency of the subject within a few years is not easy. Still, with the proper guidance from experts, it can become easier for students to master this subject. Accessibility to online physics homework from an authentic source aids students in reaching their ultimate goal. TutorBin is one such physics homework help online site that wins over the confidence of more than lakhs of students due to its student-oriented approach. From proficient tutors, quality work, accessibility, superb after-sales service, and affordable rates to deadline-focused service, TutorBin has all the benefits that a physics hw help site should have

When we talk about physics homework help online solutions, it is not complete without mentioning why students consider it as the best option for them. When students think about "Where can I get help with my physics homework?" we assure them that we are there for them. With online physics homework support, students successfully retain what they have learned in class, gain conceptual clarity, and gather knowledge. With updated teaching and engaging learning methods, their academic inclination increases, and they become interested in learning their subject. Academic help also reduces time constraints and lets students have the freedom to learn more without carrying the burden of heavy coursework.