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Four identical charged particles (q = +18.0 µC) are located on the corners of a rectangle as shown in the figure below. The dimensions of the rectangle are W = 14.0 cm and L = 58.0 cm. Compute the change in electric potential energy of the system as the particle at the lower left corner in the figure is brought to this position from infinitely far away. Suppose the other three particles in the figure below remain fixed in position.
A person takes a trip, driving with a constant speed of 89.5km/h except for a 22.0-min rest stop. If the persons average speedis 77.8 km/h, evaluate how much time is spent on the trip
A rod 7.1 centimeter long is uniformly charged and has a total charge of -11.4 µC. Obtain the magnitude of the electric field along the axis of the rod
A ship sets out to sail to a point 148 km due north. An unexpected storm blows the ship to a point 148 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive angl..
An ideal heat engine absorbs 96.5 kJ of heat and exhausts 79.8 kJ of heat in each cycle. How much work is done in a cycle
A 150g glider on a horizontal frictionless air track is attached to a fixed ideal spring with force constant 135N/m. What is the angular frequency of the oscillation
A winch capable of pulling 250 lb must pull a 2800 lb load up a ramp of height 5.5 ft. Find the length of the shortest ramp for this job
A uniform electric field of magnitude 640 N/C exists between two parallel plates that are 4.40 cm apart. A proton is released from the positive plate at the same instant that an electron is released from the negative plate.
Jack was exposed to fast neutrons; he received a radiation dose of 300rem on part of his hand, affecting 22.0grams of tissue. The relative biological effectiveness (RBE) of these neutrons is 9.00.
a scuba diver releases a 2.21 -diameter spherical bubble of air from a depth of 13.2 in a lake. assume the temperature
what is the thermal kinetic energy in 1kg of oxygen gas at 20 degrees celsius? What fraction of this energy is translational
A spring is 17.0 cm long when it is lying on a table. One end is then attached to a hook and the other end is pulled by a force that increases to 25.0 N, causing the spring to stretch to a length of 19.2 cm.
A load of weight W is suspended from a cable of length L on a construction vehicle. What is the max angle through which the load swings
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