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Two particles are in a uniform electric field whose value is +2500 N/C. The mass and charge of particle 1 are m1 = 1.20 x 10-5 kg and q1 = -6.99C, while the corresponding values for particle 2 are m2 = 2.94 x 10-5 kg and q2 = +18.0C. Initially the particles are at rest. The particles are both located on the same electric field line but are separated from each other by a distance d. When released, they accelerate, but always remain at this same distance from each other. Find d.
The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. Explain how far up the ladder can an 720 N person climb before the ladder begins to slip?
Two kilomoles of a monatomic ideal gas are at a temp of 300K. The gas expands reversibly and isothermally twice its original volume. Calculate the work done by the gas. (Note that for an ideal gas U is proportional to T, so the change of U = 0 in ..
A Girl is pushing on a 45 kg dresser with 300 N of force. The dresser has a coeficient of statice friction of 0.83, How much is the force of friction on the dresser
A cubical block of side length L has a density Dc and floats in a liquid of density Dl with a small part of the block above the liquid's surface. Determine the fraction of the volume of the block
a steel guitar string has a tension t length l and diameter d. give the multiplicative factor by which the fundamental
You're a production engineer in a cookie factory, where mounds of dough drop vertically onto a conveyer belt at the rate of one 14 mound every 2 seconds. What average force must the mechanism exert on the belt
A square conductor of edge length .4m carries a clockwise currentof 10A. What are the magnitude and direction of the magneticfield at the center of the square? If this conductor wascircular in nature and carried the same current, what magneticfiel..
A uniform Gravitational Field: Calculate the Reimann curvature for the metric ds^2=-(1+gx)^2dt^2+dx^2+dy^2+dz^2, thereby showing this spacetime is flat. Find a coordinate transformation that puts this metric into the usual Minkowski form.
A 10.0 m long wire of mass 123 g is stretched under a tensionof 255 N. A pulse is generated at one end, find Where will the two pulses first meet
a target plane flies at 2100 meters. an anti-craft gun fires a projectile with an initial upward velocity of 200
A constant force of 20 N is applied to an object of mass 7.5 kg at an angle of 22 degrees above the horizontal, What is the work done by the force on the object
Interpreting attenuation as a reflection loss calculate the lower limit to the effective reflectivity at the core cladding boundary
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