c) Now suppose L = 0.08 m and a point charge q = 30 µC is initially 0.03 m to the right of the line charge. If q is moved 0.02 m farther to the right and the change in its potential energy is +46.41 J what is the charge per unit length and total charge of the line charge?

The Force reaquired to compress a non-standard spring as a qunetion. Syod Adispiacement From equilibrium X 1S given by the equation B9 F(X)=Da2-bx, where a= 35 NI ª, b=1aN/m, andh the pasitivex dırectión is inthe comprersiun directon o7 the spring Part c: Cal culate the work dune ,injoules, onthe spring as t is compressed 7rom xj =52 cm toxg=810cm. WIza=D?

A block 4-kg mass m located 7.0 m above the ground slid down on smooth inclind surface (35°) a. What is the speed of block when it reaches the bottom? b. How far does the block move on the incline smooth surface (15°) 4 kg Begin h d End 35° 150

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Solve using conservation of E. A 25 g ball, resting on a spring, compresses it 8.0 cm and is then launched up, reaching a height of 1.2m. Find k. Correct answer: 98 N/m

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Problem 6.56 A force with magnitude given by F = a/a – bx² acts in the x-direction, where a = 27.3 N · m-1/2and b = 3.27 N/m², Part A Find the work this force does on an object moving from x = 0 to x = 2.00 m. Express your answer with the appropriate units. Templates Symbolš uado redo reset keyboard shortcuts help, Wo→2.00 = Value Units Submit Request Answer Part B Find the work this force does on an object moving from x = 2.00 m to x = 3.75 m. Express your answer with the appropriate units. Templates Symbols undo redo reset keyboard shortcuts help W2.00→3.75 = Value Units Submit Request Answer

1.3 A dog pulls a cart with a constant force of 50N. How much work is done by the dog to move the 200 m cart if the handle forms an angle of 20° with the ground?

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Describe your approach to determining the distance between the electron and proton in an atom if the potential energy U of the electron is known to be 14 eV. а. Use the law of conservation of energy. b. Use Coulomb's law. С. Use the definition of electrostatic potential energy U of one point charge q at position r in the presence of an electric potential. d. Use Newton's second law.