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Calculate the percentage error in k (kknown=6.67 × 1011 Nm2/Kg2)

PHYSICS Theoretical Background: Universal Gravitational Law: “The magnitude of the Gravitational force that an object exerts on another is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.” Mathematically, the magnitude of this force FG acting on two objects (m1, m2) is expressed as: FG=G […]

What are the forces? What is the displacement?

PHYSICS Go to https://phet.colorado.edu/en/simulation/hookes-law Part 1: Click on Intro. ⦁ Set the spring constant to 200N/m. Click in all of the check boxes to show all vectors and values. Apply a force of 60 N by dragging the red plunger or the red slider. What are the forces? What is the displacement? Use Hooke’s Law […]

Show that h(y) := f(-y) is f Legendre-transformed twice.

BPHYSICS the Legendre transform g of a function f is: g(m) = f(x(m))- m • x(m) mit x(m) = (r)-1(m). Show that h(y) := f(-y) is f Legendre-transformed twice. This demonstrates that no information is lost during the Legendre trans-formation. Apply the Legendre transformation to the Entropy S as a function of E, specifically for […]

What is the radius of the smaller semicircle?

PHYSICS The current-carrying wire loop in the figure on the left lies all in one plane and consists of a semicircle of radius 20 cm, a smaller semicircle with the same center, and two radial lengths. The smaller semicircle is rotated out of that plane by angle θ, until it is perpendicular to the plane. […]

Find the speed and direction of the wire’s motion as a function of time, assuming it to be stationary at t = 0. Evaluate for t = 0.5 s. Take positive to the right and negative to the left.

PHYSICS A metal wire of mass m = 0.400 kg slides without friction on two horizontal rails spaced a distance d = 0.40 m apart, as in the figure. The track lies in a vertical uniform magnetic field B = 0.50 T. There is a constant current i = 0.35 A through generator G, along […]

A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire?

Physics Case 1: Traffic Light A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire? Show All Case 1 Example 1! ” Show All Case 1 Example 2! ” Case 2: Painters on a Scaffold Two painters with different masses are standing on […]

What is the difference between acceleration and velocity?

Physics I NSTRUCTIONS These assignments are open-book, but you should not search for answers to these questions online. In addition to the short answer questions, you will also be asked to solve physics related problems based upon the course Learn material covered up to this point in the course. ________________________________________________________________ Short Answer Response: Kinematics Assignment […]

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