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A person has a near point of 0.15m and a far point of 0.8m a.) what is the focal length (include the sign) of a corrective lens that will allow that person to form an image of an object 100 meters in front of his eye on the retina? b.) what is the closest object they can "see", i.e. form an image on their retina, with that corrective lens?
A skier approaches the base of an icy, frictionless hill with a speed of 14.4m/s. Find the acceleration of this skier when she is going up the hill
Find the focal length of a concave mirror if an object 12cm from the mirror has a virtual image 2.1 times the object's actual size
80 mA of current flows through a resistor connected in series to a 4.25v battery. What is the resistance of the resistor
A dipole is located at the origin, and is composed of charged particles with charge +e and -e, Calculate the force on a proton due to this dipole at a location m.
Two narrow slits are illuminated by a laser with a wavelength of 537 nm. The interference pattern on a screen located x = 5.50 m away shows that the second-order bright fringe is located y = 6.00 cm away from the central bright fringe. Calculate the ..
A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she decelerates at 1.8 m/s2. At what height does the fall begin
A dentist's mirror is placed 2.1 cm from a tooth. The enlarged image is located 5.7 cm behind the mirror. (a) What kind of mirror (plane, concave, or convex) is being used
You have a string with a mass of 0.0127 kg. You stretch the string with a force of 9.19 N, giving it a length of 1.83 m. What is the wavelength of the standing wave you create
Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the flywheel up to its top speed of 200p rad/s. What is the kinetic energy of the flywheel after charging
2.85 moles of nitrogen at a temperature of 205 degree celsius are confined to a rigid whose volume is 3.50L. What is the new temperature of the gas
Two electrons are located at two of the vertices of an equilateral triangle, one at each vertex. What is the net electric field at the third vertex
question1 two boxes of equal mass m are placed one on top of each other. in case 1 an applied force acts on box b while
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