Evaluate the surface charge density on the drum
The electric field just above the surface of the charged drum of a photocopying machine has a magnitude E of 3.1 x 105 N/C. What is the surface charge density on the drum, assuming that the drum is a conductor?
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Suppose 3% of cotton fabric rolls and 3% of nylon rolls contain flaws. Of the rolls used by a manufacturer, 70% are cotton and 30% are nylon. What is the probability that a randomly selected roll used by the manufacturer contains flaws? Round your
The concentration of Mg2+ in seawater is 0.052 M. What hydroxide concentration is needed to remove 90% of the Mg2+ by precipitation?
Assume all temperatures to be exact, and neglect significant figures for small changes in dimension. An ideal gas in a cylinder is at 12 degrees C and 2.0atm .
A bat emits a sound whose frequency is 82.2 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature is 37.3 oC, so the speed of sound is not 343 m/s. Assume that air behaves like an ideal gas, and find the wavelength of
Oxygen tanks are filled by compressing the oxygen gas as shown. An initially evacuated 1 m3 tank is to be filled to 13,000 kPa. Determine the total work required by the compressor.
A stream of toluene is mixed with a recycle stream and enters a reactor along with a stream of pure hydrogen. The reaction products at 510°C enter a condenser where they are cooled to 44.0°C.
Consider a population that consists of 600 lives aged 50 and 520 lives aged 60. Probability: one aged 50 lives to 80 p=0.43732 probability: one aged 60 lives to 80 p=0.47806 and all lives have independent future lifetime random variables. Calculat
The principal plane stresses and associated strains in a plane at a point are s1 = 36 ksi, s2 = 16 ksi, e1 = 1.02(10^-3), and e2 = 0.180(10^-3).
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You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
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Think about where you were the most and least engaged when reading a classmate's draft. Think about what captured your attention
Provide five (5) reasons why working from a person centred, strengths-based positive framework, and providing positive lifestyle strategies can reduce
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.
Examine historical literature to the most current period to see the growth of romanticism and EXISTENTIALISM. any major developments
Adler believed that your birth order determines, to a large extent, your personality. He stated that your traits reflect, somehow, how you have achieved