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You have a converging (convex) lens and a diverging (concave) lens and the magnitude of the focal length of each lens is 43.6 centimeter.
(a) Find which lens you should use in order to produce an image of a light bulb on a screen several meters away.
(b) Find how far from the lens you should locate the screen in order to produce an image of the light bulb that is magnified by a factor of 2.25.
An insulated Thermos contains 150cm3 of hot coffee at 83°C. You put a 12g ice cube at its melting point to cool the coffee. By how many degrees has your coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as although..
The scale of a spring balance reading from zero to 180 N is7.00 cm long. A fish suspended from thebalance is observed to oscillate vertically at 2.50 Hz. What is the mass of the fish? Neglect themass of the spring.
A 13.6 kg object on a horizontal frictionless surface is attached to a spring with k = 519 N/m. find the initial potential energy of the block-spring system
An electron moves with a speed of 8.0x10^6 m/s along the +x axis. Calculate the magnitude of the magnectic force on the electron
The mass of Dr. Smith and the skateboard are 80 k. Dr. Alex throws a 2.5 kg bal horizontally at 3.0 m/s to the right at Dr. Smith, who catches it
The dimensions of a parallel-plate capacitor are all increased by afactor of nine. By what factordoes the capacitance change? (The dimensions refer to the lengthand width of a plate and the spacing between the plates.)
A hydrogen atom is in its eighth excited state, corresponding to n = 9. Find the radius of the electron's Bohr orbit
Assuming a forward contract was entered into on December 16, illustrate what would be the net impact on Car Corp's 2009 income statement related to this transaction?
A toy train rolls around a horizontal 1.5-m-diameter track. The coefficient of rolling friction is 0.13. What is the magnitude of the trains angular acceleration
A light spring having a force constant of 139N/m is used to pull a 9.60kg sled on a horizontal ice rink. The coefficient of kinetic friction between the sled and the ice is 0.200. The sled has an acceleration of 2.40m/s^2 . A)Calculate the net upw..
A 12mm-high object is 10cm from a convex mirror with focal length 17cm. How far is its image from the mirror
The Attraction of Ceres Ceres, the largest asteroid known, has a mass of roughly 8.7x10^20kg .If Ceres passes within 1.2×104km of the spaceship in which a 65kg astronaut is traveling, what force does it exert on she? (Treat the astronaut and the aste..
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