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A near-sighted person wears an old prescription, where the power of his glasses is - 3.23 Diopters. With these glasses he STILL cannot see very distant objects, and can only see objects up to a distance of 4.75 m. He wears his glasses 1.6 cm from his eyes.
(i) What is the far point of this person?
(ii) What is the proper prescription, in diopters, for this person to see clearly?
An x-ray photon frequency 3x10 HZ collides with an electron at rest and is scattered through 90 degrees. What is the kinetic energy of the scattered electron
An electromagnetic velocity filter (sometimes called a Wien filter) is used in a variety of experiments and other applications, such as electron microscopes, in which we need a beam of charged particles all going at the same speed. Generally the s..
A series RLC circuit has components with the following values: L = 18.0 mH, C = 90.0 nF, R = 10.0 ?, and ?Vmax = 100 V, with ?v = ?Vmax sin ?t. Find the resonant frequency of the circuit
A sphere of radius 10.0 cm floats in equilibrium partially submerged in water with its lowest point 5.00 cm below the water's surface. What is the buoyant force acting on the sphere
The temperature coefficient of resistivity for the metal gold is 0.0034 (C°)-1, and for tungsten it is 0.0045 (C°)-1. find the percentage increase in the resistance in a tungsten wire
To transmit only portions of an input wave lying on one side of an amplitude boundary, you would use a.
Sewage at a certain pumping station is raised vertically by 5.13 m at the rate of 1 860 000 liters each day. The sewage, of density 1 050 kg/m3, Assume an electric motor continuously operating with average power 3.85 kW runs the pump. Find its effi..
A particle with a charge of -1.5uC and a mass of 2.5x10-6 kg is released from rest at point A and accelerates toward point B, arriving there with a speed of 42 m/s. The only force acting on the particle is the electric force. (a) Which point is at..
A jetliner, traveling northward, is landing with a speed of 65m/s. Once the jet touches down, it has 715 m of runway in which to reduce its speed to 6m/s
When a 29.0-V emf device is placed across two resistors in series, a current of 10.0 A is flowing in each of the resistors. compute the magnitude of the larger of the two resistances
A 555.0 g/hr stream of liquid methyl alcohol, also called methanol, (CH3OH) at 7.20 atm, At what rate must heat be supplied to this system
A Yo-yo has a rotational inertia of 952 g·cm2 and a mass of 107 g. Its axle radius is 2.27 mm, and its string is 117 cm long. What is the magnitude of its linear acceleration
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