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Two plane mirrors stand facing each other, 3.23 m apart, and a woman stands between them. The woman faces one of the mirrors from a distance of 1.30 m and holds her left arm out to the side of her body with the back of her hand facing the closer mirror.
(a) What is the apparent position of the closest image of her left hand, measured perpendicularly from the surface of the mirror in front of her? m behind the nearest mirror.
(b) What is the position of the next closest image? m behind the nearest mirror.
(c) What is the position of the third closest image? m behind the nearest mirror.
Two parallel metal rods form a plane inclined at 20.0° to the horizontal. The upper end of the rods are connected together by a resistor of 122.0 ?. What is the maximum speed of the bar
In a binary star system, two stars have elliptical orbits about the center of mass of the system. what is the change in the gravitational potential energy of the system
A nucleus moving at 0.6c through the lab decays, emitting a photon in the forward direction. With what speed does the photon travel
A typical nuclear power plant delivers heat from the reactor to the turbines at a temperature of 480°C. what is the maximum possible efficiency of these turbines
A charge q = -6.0 µC is moved 0.25 m horizontally to point P in a region where an electric field is 250 V/m directed vertically, as shown. What is the change in the electric potential energy of the charge?
A Carnot engine operating with an ideal gas takes heat energy from the hot reservoir at 500 degrees C and exhausts heat energy to the cold reservoir at 250 degrees C. If the engine does 400J of work per cycle, what is its efficiency.
Find out the vertical component of the reaction force
A positive charge of magnitude Q1 = 6.5 nC is located at the origin. A negative charge Q2 = -6.5 nC is located on the positive x-axis, Calculate the angle in degrees of the electric field at point P relative to the positive x-axis
Determine the anchoring forces Rx and Ry required to hold in place a conical nozzle at the end of hose when the water flowrate is 50 L/min. determine the weight of the liquid in the nozzle
The particles in the nucleus of an atom are approximately 1.00×10?15{\rm m} apart, while the electrons in an atom are about 1.00×10?10{\rm m} from the nucleus. How many pounds would the force be
A 2kg lunchbox is sent sliding over a frictionless surface, in positive direction of an x axis along the surface. Start at time t = 0, steady wind pushes on the lunchbox in the negative direction of the x axis.
Two people start at the same place and walk around a circular lake in opposite directions. How long will it be before they meet
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