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Q1. An electron and a neutral carbon atom are firstly 2.2 × 10^(-6) m apart, and there are no other particles in the vicinity. The mass of the electron is m = 9.11 × 10^(-31)kg. The polarizability of the carbon atom has been measured to be α = 1.96 × 10^ (-40)C • m/(N/C). Suppose that k = 1 4π (E) 0 = 9 × 10^9 N • m^2 /C^ 2.
Calculate the initial magnitude of the acceleration of the electron.
Q2. A 50.0 g copper calorimeter contains 260 g of water at 22.0°C. How much steam ought to be condensed into the water if the final temperature of system is to reach 42.0°C?
You have a pulley 13.1 cm in diameter and with a mass of 2.0 kg. You get to wondering whether the pulley is uniform. What is the actual moment of inertia of the pulley
A 1.35 kg object is moving in the x direction at 16.4 m/s. Just 3.61 s later, it is moving at 28.8 m/s at 36.0^circ to the x axis. What is the magnitude of force applied throughout this time.
What is the resistance of a lightbulb that uses an average power of 40.0 W when connected to a 60.0-Hz power source having a maximum voltage of 132 V
Two forces, F1 vector and F2 vector, act at a point. F1 vector has a magnitude of 8.40N and is directed at an angle of 65.0 degrees above the negative x axis in the second quadrant. What is the magnitude of the resultant force
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.2 MJ when the flywheel is rotating at 17,500revolutions per minute
A simple pendulum has a length of 52.4 cm and makes 83.7 complete oscillations in 2.00 min. Find the period of the pendulum
In an internal combustion engine, air at atmospheric pressure and a temperature of about 20 ?C is compressed in the cylinder by a piston to 18.0 of its original volume, Estimate the temperature of the compressed air
A viscous fluid is flowing through two horizontal pipes. They have the same length, although the radius of one pipe is three times as large as the other. what is the volume flow rate QB in the wider pipe
q1. a solenoid is formed by winding 26.9 m of insulated silver wire around a hollow cylinder. the turns are wound as
A 4.00-kg model rocket is launched, expelling 54.9 g of burned fuel from its exhaust at a speed of 690 m/s. What is the velocity of the rocket after fuel has burned.
Calculate the longest three wavelengths and the series limit for the Paschen (n2 = 3) and the Brackett (n2 = 4) series, and plot both series on the same linear scale.
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