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A person's prescription for his new bifocal eyeglasses calls for a refractive power of -0.0650 diopters in the distance-vision part and a power of 1.20 diopters in the close-vision part.
Assuming the glasses rest 2.00 cm from his eyes and that the corrected near-point distance is 25.0 cm, determine the near and far points of this person's uncorrected vision.
Please find both the near point and the far point. It asks for both, not just one.
A second fragment, who's mass is 3.4 kg, moves away from the point of explosion with a speed of 418 m/s along the negative x axis. What is the speed of the third fragment? Ignore effects due to gravity.
With a particular grating a doublet of the two wavelengths 731.3 and 732.1 nm is viewed in the third order at 9.3° to the normal, find the grating spacing in nanometers
A particle of mass 7.7 × 10-8 kg and charge +8.0 ?C is traveling due east. It enters perpendicularly a magnetic field whose magnitude is 3.2 T, How much time does the particle spend in the magnetic field
What is the horizontal distance the airplane engine falls. find out the time that was recorded on Earth.
A 139 x 139 timber is used as a short foundation post. It must support a load of 42 kN. Determine the average axial stress in the post
orville walks 318 m due east. He then continues walking along the straight line, but in a different direction, and stops 164 m northeast of his starting point. How far did he walk during the second portion of trip and in what direction.
A certain ideal gas has a molar specific heat at constant volume CV = 7R/5. What is its molar specific heat at constant pressure
Estimate the wavelength of the light.
What must the banking angle of the curves be so that the force of the pavement on the tires of the car is in the normal direction.
If the coefficient of static friction is 0.500, what minimum force magnitude is required from the rope to start the crate moving
Starting in the spring, fruit begins to grow on the outer end of a branch on a pear tree. Define how the center of gravity of the pear growing branch shifts all through the course of the summer.
A uniform plank of length 4.3 m and weight 201 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x could a person who weighs 449 N walk on the overhanging part of the p..
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