What are the force vectors and magnetic field of the proton
A circular coil has 200 turns, a radius of 3.0mm, and a current of 2.0A. If a proton is placed at the center of the coil and moves with a speed of 3.0 x 10^5 m/s towards the coil, what are the force vectors and magnetic field of the proton?
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To account for water losses in the cooling tower, part of the effluent from a nearby municipal wastewater treatment plant will be used as makeup water.
Assume the population standard deviation is 9.5 sec. Construct a 90% confidence interval estimate of the population mean of all statistics students. List the margin of error and critical value. Interpret the confidence interval.
A small fly of mass 0.30 g is caught in a spider's web. The web vibrates predominately with a frequency of 3.4 Hz. What is the value of the effective spring stiffness constant "k" for the web, in N/m?
In a random sample of 1002, 701 said they voted in a recent presidential election. Find the best point estimate of the population proportion of people who said they voted.
When a potential difference of 144 V is applied to the plates of an air-filled parallel-plate capacitor, the plates carry a surface charge density of 3.10 times 10-10 C/cm2.
The net electric flux through a sphere of radius R = 2 m is 15,000 Nm2/C. What is the net charge inside the sphere?
Atmospheric air at 300K and 100kPa is to be delivered to a line at 600K, 200kPa. Two possible schemes for doing this are suggested. The first scheme involves reversible adiabatic compression and then internally reversible isobaric heating.
To compare the effect of stress in the form of noise on the ability to perform a simple task, 70 subjects were divided into two groups. The first group of 30 subjects acted as a control while the second group of 40 were the experimental group.
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