Determine the focal length of her glasses

Assignment Help Physics
Reference no: EM13688355

Problem: A colleague wears eyeglasses that rest 1.90 cm in front of her eyes and have a power of 2.00 D.

(a) Determine the focal length of her glasses.

(b) Determine the refracting power of the contact lens that would replace her glasses.

Please show each sate in detail for help and thanks in advance.

Reference no: EM13688355

Questions Cloud

Find the recoil speed of the rifle : A rifle with a weight of 25 N fires a 3.5 g bullet with a speed of 280 m/s. Find the recoil speed of the rifle
What must the baseballs speed be : A pitcher claims he can throw a 0.150-kg baseball with as much momentum as a 2.80-g bullet moving with a speed of 1.50 x 103 m/s. What must the baseball's speed be if the pitcher's claim is valid
What is the energy released in this reaction : The fusion of two deuterium nuclei (Subscript 1 Superscript 2 Baseline H, mass = 2.0141 u) can yield a helium nucleus, What is the energy released in this reaction
What should be the magnetic field strength : An electric motor contains a 250-turn circular coil 7.0cm in diameter. If it is to develop a maximum torque of 2.0 N•m at a current of 3.7 A, what should be the magnetic field strength
Determine the focal length of her glasses : A colleague wears eyeglasses that rest 1.90 cm in front of her eyes and have a power of 2.00 D. Determine the focal length of her glasses
What is the overall magnification : What is the overall magnification if an eyepiece that produces a magnification of 8.30 cm is used
Determine how many kcal is consumed per serving : If a serving of Brazil nut consists of 14 g, how many kcal is consumed per serving
What is the atoms initial state : A hydrogen atom absorbs a photon with a wavelength l = 1094 nm. What is the atom's initial state
Find what is the magnitude of the force on the wire : A horizontal magnetic field of 1.7×104T is at an angle of 31 degree to the direction of the current in a straight, horizontal wire 74cm long. If the wire carries a current of 19A , what is the magnitude of the force on the wire

Reviews

Write a Review

Physics Questions & Answers

  Evaluate what is its initial acceleration

A piece of metal is released under water. The volume of the metal is 38.1 cm3 and its specific gravity is 5.1. Evaluate what is its initial acceleration

  What is the radius of the turn

What is the terminal speed for a 76.0 skier going down a 41.0 snow-covered slope on wooden skis = 0.070? Suppose that the skier is 1.80 m tall and 0.500 m wide. Replace mg with net forces parallel to the incline.

  What is the width of the central bright fringe

A two-slit pattern is viewed on a screen 1.20 m from the slits. If the two third-order minima are 27.7 cm apart, what is the width of the central bright fringe?

  Assume the barrel is initially at rest and that its moment

assuming dissipative forces can be ignored how fast will an empty barrel with a radius of 57 cm be moving after

  Calculate the velocity of the heavier car

Two railroad freight cars with masses 100 and 150 approach with equal speeds of 0.300, Find the velocity of the heavier car after the collision

  Calculate how much work does the elevator do

An elevator is able to raise 1,000 kilogram to a height of 20 meter in10 second. Calculate how much work does the elevator do

  Find the magnitude of its final relativistic momentum

The space of an ion in a particle accelerator is doubled from 0.4500c to 0.9000c. The particles initial relativistic momentum is 472.819 MeV/c.  Find the magnitude of its final relativistic momentum

  Electric field in the region outside the conductor

A long straight thin round conductor carries a linearcharge density λ=7 μC/m. What is the electric field in the region outside the conductor.

  How many meters would it take to stop a car

0.75 kg block of ice is sliding by you on a very slippery floor at 2.5 m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with the ice block for 0.003 seconds. The block eventually slides at an angle of 22 de..

  Assume all the energy in the doughnut can be converted to

a doughnut contains about 335 calories. note these are food calories. after eating this doughnut you decide to

  Find the waves maximum magnetic field and its direction

A plane electromagnetic wave is traveling along the x-axis. If the electric field of the wave has a maximum value of 2 x 10^-6 N/C, find the wave's maximum magnetic field and it's direction

  Find how far does the player slide before coming to rest

A baseball player slides into third base with an initial speed of 7.80 m/s. find how far does the player slide before coming to rest

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd