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An electron with electric charge of 1.6 10-19 C falls through a potential difference of 73 kV in the vacuum of an X-ray tube. What is the kinetic energy of the electron, assuming it started from rest and that there is no loss of energy to friction? (Note: 1 volt = 1 joule/coulomb.)
The hydraulic piston/cylinder system has a cylinder diameter D = 0.1 meter with a piston and rod mass of 25 kg. The road has a diameter of 0.01 m with an outside atmospheric pressure of 101 KPa. The inside hydraulic pressure is 250 KPa. How large a f..
A bat at rest sends out ultrasonic sound waves at 52.3 kHz and receives them returned from an object moving directly away from it at 29.7 m/s. What is the received sound frequency
As a part of a New Year's celebration, a boy is needed to cause a wheel adorned with sparklers to spin rapidly. To accomplish this, the boy wound a 6 m long rope around the 13 cm diameter axle of the wheel.
A VW Beetle goes from 0 to 99.0 mi/h with an acceleration of +3.90 m/s2. How much time does it take for the Beetle to reach this speed
In a television, electrons shoot down the picture tube and strike fluorescent material on the screen, causing light to be emitted and producing the picture. assume that a certain set, the electrons are accelerated from rest 2.0 x 10^8 ms-1 in abou..
A defibrillator consists of a 15.3-µF capacitor that is charged to 8.4 kV. What is the average power delivered to the tissues
Consider an AC voltage source that produces a voltage given byV = Vmaxsin(2πft), with Vmax =19 V and f = 6.1 Hz. What is the instantaneous value of the voltage at t = 1.8 s?
Find the mode configurations and frequencies for transverse oscillations of a beaded string of 5 beads with one end fixed and one end free to move. Plot the five points on a dispersion relationship ω vs k
Consider a planet of radius 5.78 106 m with a rotation period of 21.6 hours. Compute the radial acceleration of a point on the surface of the planet
A ball is launched from a cannon at the ground level with speed v0=40 m/s at an angle 36.9 degrees above the horizontal. Find the horizontal range
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 200 m/s. Find the emf induced between the wing tips
While running, a man dissipates about 0.60 Joule of mechanical energy per step per kilogram of body mass. determine how fast is the man running
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