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DNA-reading tool for quick identification for species. A biologist an a zoologist at the University of Florida were the first scientists to test the effectiveness of a high-tech handheld device designed to instantly identify DNA of an animal species (PLOS Biology, Dec. 2005.) They used the lusks with brightly colored shells. The scientists discovered that the error rate of the device is less than 5 percent. Set up the null and alternative hypothesis if you want to support your findings.
A hiker of mass 58 kg climbs up a mountain through a verticaldistance of 950 m. How much work does she do in changing her gravitationalpotential energy
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. what are the underwater angles of refraction for the blue and red components of the light
A stone is thrown vertically downward from the top of a 200-m cliff. During the last half second of its flight, the stone travels a distance of 45 m. Find the initial speed of the stone
In 2003, the Schuylkill Generating Station near South Street on the Schuylkill River was rebuilt as an oil fired plant. It produces 175 Megawatts. What is the retail value of 1 day's production of electricity at this plant ?
A 2.10-cm-high object is situated 16.9 cm in front of a concave mirror that has a radius of curvature of 9.91 cm. compute the location and the height of the image
An electromagnetic wave with frequency 56.0 Hz travels in an insulating magnetic material that has dielectric constant 3.72, What is the speed of propagation of the wave
A 2500 kg truck travelling north at43 km/h turns east and accelerates to56 km/h. What is the change in the truck's kinetic energy? What is the magnitude of the change in the linear momentum of the truck?
Find the magnitude of the potential difference between two points located 1.1m apart in a uniform 630 N/C electric field
A 25 gram mass is placed on the edge of a turntable witha 15 cm radius. Find the rotational speed of the turntable
Identify and make contact with a local politician or social welfare administrator in your community. Your task is to interview a politician or administrator and learn her/his position on a social welfare issue/problem of your choice and to present a..
A water wave oscillates up and down once every 1.50 s. The distance between wave crests is 1.85 meter. Compute what speed of this wave
When its coil rotates at a frequency of 280 Hz, a certain generator has a peak emf of 75V. What is the peak emf of the generator when its coil rotates at a frequency of45 Hz? Determine the frequency of the coil'srotation when the peak emf of the ..
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