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A 2--tall object is 26 to the left of a lens with a focal length of 13 . A second lens with a focal length of -5 is 37 to the right of the first lens.
Calculate the distance between the image and the second lens.
Calculate the image height.
Qualitatively speaking what is the difference between flux and intensity measurements? What are the units of each, How do flux and intensity vary with distance from source
Standard sea level pressure is approximately 1013 hPa andstandard surface temperature in the U.S Standard Atmosphere is 15degree C. What is the density of dry air under these conditions?
military specifications often call for electronic devices to be able to withstand accelerations of 10g 98.1 ms2. to
Both teenagers pull with a force of 55 at an angle of 35 relative to the forward direction, that is the direction of motion. In addition, the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magn..
A softball having a mass of 0.45 kg is pitched horizontally at spring with spring constant 78 N/m. how fast was the softball moving initially
A cyclist turns her bicycle upside down to repair it. She then notices that the front wheel is executing a slow, determine the mass of the valve stem
a uniform, upward electric field of magnitude 1.60 x 103 N/C has been set up between two horizontal plates by charging the lower plate positively and the upper plate negatively. How far horizontally from the left edge will the electron strike
In an experiment like you are going to do in Investigation 1 of lab this week, you count the number of beta rays from a 137Cs source. What is the average number of counts
The angular momentum of a flywheel having a rotational inertia of 0.647 kg·m2 about its central axis decreases from 6.30 to 0.880 kg·m2/s in 3.00 s. How much work is done on the wheel
The pressure of a helium gas cylinder is 29.7 atm. After several balloons have been blown up the pressure is decreased to 5.68 atm. What fraction of the original gas remains in the cylinder?
can two monochromatic sources of significant frequency difference produce an observable interference pattern?in a
A spherical shell of radius 15cm carries 4.8uC , distributed uniformly over its surface. At the center of the shell is a point charge. What is the field just inside the shell
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