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Question: Two identical point charges (q= +7.20 x 10-6 C) are fixed at diagonally opposite corners of a square with sides of length 0.480m. A test charge (qo= -2.40 x 10-8 C), with a mass of 6.60 x 10-8 kg, is released from rest at one of the empty corners of the square.
Part A: Determine the speed of the test charge when it reaches the center of the square.
Show all work, use additional paper if necessary.
A 3.0 m long rigid beam with a mass of 120 kg is supported at each end. An 85 kg student stands 2.0 m from support 1. Explain by how much upward force does each support exert on the beam?
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Two particles are fixed on x-axis. Particle 1 of charge q1 = -2×10^-7 C at x = 20 cm and particle 2 of charge q2 = +8×10^-7 C at x = 70 cm. At what x coordinate on the axis is net electric field produced by the particles equal to zero.
the plates of a fabry-perot interferometer have a reflection coefficient r 0.99. calculate the minimum resolving power
A 3.50-µF capacitor is fully charged by being connected to a 6.0-V battery. The fully charged capacitor is then connected to a 0.250-H inductor.
A vertical solid steel post 24.0cm in diameter and 2.50m long is required to support a load of 8100 kg. You may ignore the weight of the post. What is the strain in the post when the load is applied
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. compute the mass of the aluminum cup
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