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A microscope has a 2.5-cm focal length eyepiece and a 0.90 cm objective. Assuming a relaxed normal eye.
Part A: Compute the total magnification.
Part B: Compute the position of the object if the distance between the lenses is 20.5cm.
A construction worker with a weight of 820N stands on a roof that is sloped at 16 degrees. find the magnitude of the normal force of the roof on the worker
The second harmonic sinusoidal standing wave in a pipe with both ends open has a wavelength of 2.00 m. The sound speed is 340 m/s How many nodes and anti-nodes are there in the displacement wave? How many nodes are there in the pressure wave? Draw..
In 0.784 s, a 11.1-kg block is pulled through a distance of 4.71 m on a frictionless horizontal surface, starting from rest. The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the block.
A dart with mass m moving horizontally imbeds in a target of mass M suspended by a wire of length l and mass u. What is the initial speed of the dart v if immediately after impact the target recoils with angular speed w?
Assume L1 = 0.844 m and L2 = 0.401 m. Calculate the normal force exerted by the floor on each hand
a charged particle of mass 4.20 x 10-2 kg and charge 7.60 x 10-5 c moves from equipotential surface a at a potential of
white light reflected at a perpendicular incidence from a soap film has in the visible spectrum an interference maximum
The K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm, 0.020 9 nm, Determine the ionization energies of the L, M, and N shells
a student throws a ball vertically upward such that it travels 7.0 to its maximum height.if the ball is caught at the
Determine the tension in an elevator cable if the 2000 kg elevator is accelerating upward with an acceleration of 1.8 m/s^2
Determine the maximun wavelength of incident radiation that can be used to remove the remaining electron from a singly ionized helium atom He+ (z= 2)
The surface charge density on an infinite charged plane is -1.5*10^-6 N/m^2, How far does the proton travel before reaching its turning point
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