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A patient is going to be prescribed bifocals which will be 2.00 cm from the eye. The prescribed powers (in diopters) for the bifocals are +0.80 and -1.60, and these bifocals give the patient normal vision. (a) Without the bifocals, what is the patient's near point? (b) Without the bifocals, what is the patient's far point?
A 4.5- kg block oscillates with an amplitude of 0.070 m on a light spring of constant k = 29.0 N/m. What is the maximum value of the block's velocity
A car of mass 1200 kg turns a corner inclined at 55 deg at a speed of 20 m/s. What is the maximum radius for the curve at which the car will not slide down the incline
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
assume the following parameters: Mass of the bottom steel disc: 1.4678 kg Mass of the upper steel disc: 1.4795 kg Mass of the upper aluminum disc: 0.4614 kg Radius of each disc: 63.3 mm Radius of the take-up spool: r = 125 cm Mass of the falling w..
When you submerge a 1 kg gold statue into the water and measure the volume of displaced water, show that, for pure gold, the volume of water displaced will be 51.8 cm^3.
A father pulls his young daughter on a sled with a constant velocity on a level surface a distance of 10 m. how much work does the father do
A 0.55kg bullfrog is sitting at rest on a level log. How large is the normal force of the log on the bullfrog
A Carnot engine operating between a warmer unknown temperature and a reservoir of boiling helium at 1.76 K has an efficiency of 56%. What is the warmer temperature
A muscle builder holds the ends of a massless rope. At the center of the rope, a 7.9 kg ball is hung as shown. What is the tension in the rope
A 75 g spherical ball rolls without slipping down a ramp that makes an angle of 20 degrees with the horizontal. Find the magnitude and direction of the frictional force on the ball
A uniform rod of mass 3.05×10^-2?2kg and length 0.370m rotates in a horizontal plane about a fixed axis through its center, compute the angular speed of the rod after the rings leave it
A car traveling at 16.00 m/s runs out of gas while traveling up a 19 degree slope. How far up the hill will it coast before starting to roll back down.
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