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An object is located 23.0 cm to the left of a diverging lens having a focal length f = -30.0 cm. (Use the correct sign convention for all numerical answers.)
(a) Where is the image located? (Enter a negative distance if the image is to the left of the lens.)
(b) Determine the magnification of the image.
(c) Construct a ray diagram for this arrangement. (Do this on paper. Your instructor may ask you to turn in this diagram.)
7400 J of input heat to perform a certain amount of work. Engine 2 has an efficiency of 0.33, How much input heat does the second engine require
A total charge of 14 mC passes through a cross-sectional area of a nichrome wire in 1.4 s. I need to know how many electrons pass through the cross-sectional area in 23.0 s
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A 4.8-kg bucket of water is raised from a well by a rope. find the force exerted by the rope on the bucket
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. How long (s) is he in the air
An airplane propeller is 2.18m in length (from tip to tip) and has a mass of 117kg. What is the angular acceleration of the propeller
A 87-kg snow skier is being pulled up a 10 ° slope by a steel (Young's modulus 2.0 x 1011N/m2) cable. what is the original (unstretched) length of the cable
A rocket cruising past earth at 0.800c shoots a bullet out the back door, opposite the rocket's motion, at 0.900c relative to the rocket. What is the bullet's speed relative to the earth
A Carnot engine is operated between two heat reservoirs at temperatures of 530K and 300K. What is the thermal efficiency of the engine
A candle is placed 17.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, Find the focal length of the convex mirror
An electric field greater than about 3x10^6 V/m causes air to break down (electrons are removed from the atoms and then recombine, emitting light). Estimate the voltage between your finger and the doorknob
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