The positions of three particles written as x y coordinates
The positions of three particles, written as (x, y coordinates, are: particle 1 (mass 3.7 kg) at (4 m, 0 m); particle 2 (mass 6.2 kg) at (2.3 m, 3.9 m); particle 3 (mass 3 kg) at ( -1.3 m, -2.2 m). What is the location of the center of mass?
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Two ice skaters, with masses of 30.0kg and 75.0kg , are at the center of a 30.0m -diameter circular rink. how long does the lighter skater take to reach the edge
(a) Determine the values of the voltage and current phasors in polar form. (b) Calculate the instantaneous voltage at a time 0.8 ms after it crosses the zero-value axis in a positive going direction.
An ideal gas mixture contains 35% helium, 20% methane, and 45% nitrogen (by volume) at 2.00 atm absolute and 90 C. Calculate: (a) The partial pressure of each component
1) For a semiconductor E vs kx near the band edge Ec is given by E=Ec +(h2/16m0)*kx2. Determine the effective mass of electrons in the conduction band. Here m0 is the mass of a free electron.
The positions of three particles, written as (x, y coordinates, are: particle 1 (mass 3.7 kg) at (4 m, 0 m); What is the location of the center of mass
A teacher announces there will be a surprise quiz sometime during the week. The students argue it can't be on Friday because if the teacher waits until the last day it won't be a surprise anymore. Once they know it can't be Friday they argue by the s
A 50 µF capacitor, when connected in series with a coil having 40 ohms resistance, resonates at 1000 Hz. Find inductance of the coil. Also obtain the circuit current if the applied voltage is 100 V.
A stream of air (21% O2 m, the rest N2) flowing at a rate of 10.0 kg/h is to be mixed with a stream of CO2 inside a mixer. The CO2 enters the mixer at a rate of 20.0 m/h at 150 ?C and 1.5 bar. What is the mole percent of CO2 in the product stream
An auditor for Health Maintenance Service of Georgia reports 40% of policyholders 55 years or older submit a claim during the year. Fifteen policyholders are randomly selected for company records.
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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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