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Consider two point charges located on the x axis: one charge, q_1 = -14.5 nC, is located at x_1 = -1.700 m; the second charge, q_2 = 36.5 nC, is at the origin (x=0.0000).
What is the net force exerted by these two charges on a third charge q_3 = 46.5 nC placed between q_1 and q_2 at x_3 = -1.070 m?
In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 8.0 × 105 J of internal energy. What is the magnitude of the heat that he has lost
Two circular parallel plates having charges of equal magnitude but opposite sign are separated by 11.58cm. Each plate has a surface area of 0.0105m^2. the magnitude of the electric field between the plates is 5.185kN/C. An electron is released fro..
A 61 kg speed skater with the velocity of 16 m/s comes into a curve of 18 m radius. How much friction should be exerted between skates and ice to negotiate the curve.
A two-slit pattern is viewed on a screen 1.05 m from the slits. If the two third-order minima are 25.0 cm apart, what is the width of the central bright fringe
An I beam is at 25 C and clamped rigidly between two fixed points, 2 meters apart, so that it can neither expand nor contract. The breaking stress of the beam is 200 MPa and the coefficient of linear expansion is 3.8 x 10^-5/oC and Young's Mod = 120 ..
A 6.30kg block is pushed 9.45m up a smooth 37.0? inclined plane by a horizontal force of 80.0N . If the initial speed of the block is 3.35m/s up the plane. Calculate the initial kinetic energy of the block
A hoop is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts up a ramp that makes an angle of 25 degrees with the horizontal. What is the speed of the hoop
Determine the heat transfer and work for each of the processes. What is the internal energy change for Process 1-2? What is the internal energy change for Process 2-3? (There is an answer posted for the same question, but the answer does not appea..
How much work does the electric field do in moving a -7.7 microCoulomb charge from ground to a point whose potential is +positive 55V higher.
An unknown material has a normal melting/freezing point of -25.1° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C°). What is the latent heat of fusion of the unknown material
a particle with mass 2.30 g and charge 10.0 c enters through a small hole in a metal plate with a speed of 8.50 ms at
A man whose mass is 80kg on the earth's surface is in a spacecraft at a height of 2 Earth radii above the earth's surface. At that height what is the acceleration due to gravity
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