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An object is placed 55.5 cm from a screen.
(a) Where should a converging lens of focal length 8.0 cm be placed to form an image on the screen?
shorter distance ___ cm from the screen
farther distance ___ cm from the screen
(b) Find the magnification of the lens.
magnification if placed at the shorter distance
magnification if placed at the farther distance
A positive charge of 0.900? C is located in a uniform field of 1.05×105 N/C. How close are the two charges
A passenger car traveling down a rough road bounces up and down at 1.2Hz with a maximum vertical acceleration of 0.25m/s2, What is the maximum speed of the oscillation
questionnbspnbspfind 3-5 different types of vacuum pumps - explain how they work - explain where you would use them -
1.01 kg rolling hoop with a radius of 9 cm rolls without slipping. If the angular speed of the hoop is 2.09 rad/s , compute rotational kinetic energy of the rolling hoop in Joules
A 200?F defibrillator capacitor is charged to 1500 V.When fired through a patient's chest, it loses 95% of its charge in 40 ms
A thin, flexible rod of length L=10 cm carries charge Q=91 N/C uniformly along its length. What is the magnitude of the electric field at the center
A wheel is mounted on a stationary axle which we can assume frictionless. As a result, the wheel can turn freely but cannot translate. How much work is done by you on the pulling
A singly charged positive ion has a mass of 2.16 × 10^-26 kg. Find the radius of the ion's path in the field
A circular coil of 15 turns and area 4.0 cm^2 carries a current of 1.2 A. What is the resultant force acting on this coil
A spaceship and an asteroid are moving in the same direction away from Earth with speeds of 0.76c, What is the relative speed between the spaceship and the asteroid
A container of volume 0.30 m3 contains 3 mol of argon gas at 31°C. suppose argon behaves as an ideal gas, find the total internal energy of the gas.
A spherical surface of radius R contains a charge Q in the center. What happens to the total flux of the electric field through the sphere if its radius increases by a factor of 10
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