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Electrons are accelerated through a voltage difference of 175 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons?What is the speed of these electrons in terms of the speed of the light? (Remember that the electrons will be relativistic.)
A substance has a melting point of 20° C and a heat of fusion of 2.9 × 104 J/kg. The boiling point is 150° C and the heat of vaporization is 5.8 × 104 J/kg at a pressure of one atmosphere. The specific heats for the solid, liquid, and gaseous phases ..
Calculate the terminal voltage for a battery with an internal resistance of 0.650? and an emf of 8.00V when the battery is connected in series with an 98.0?? resistor
A 910-kg sports car collides into the rear end of a 2100-kgSUV stopped at a red light. The bumpers lock, the brakes are locked, What was the speed sports car at impact
Laser ligh can be focused (at best) to a spot with a redius [r] equal to its wavelength ([lamba]). Suppose that a 1.0 W beam of green laser light, Estimate the acceleration of the particle
A person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
Consult Interactive Solution 27.18 to review a model for solving this problem. what is the longest visible wavelength (in vacuum) for which the film will appear bright due to constructive interference
A 2500 kg car rounds a flat curve of radius 75 m at speed of 80 km/h. if the pavement is icy and the force of static friction is 6000 n, what is the maximum speed the car could safely go around the curve
Consider a parallel plate capacitor with an area of 2 cm^2 and a plate separation of 0.02 mm which is charged to a voltage of 2 kV. The work function for the electrons in the plate is 3.8 eV. Compare the electron tunneling current when there is a vac..
An object is placed 19 cm to the left of a converging lens of focal length 25 cm, Find the position and magnification of the final image
A drug prepared for a patient is tagged with 9943Tc, which has a half-life of 6.05 h. What is the decay constant of this isotope
A particle of rest mass M, travelling at speed v in the x-direction, decays into two photons, moving in the positive and negative x-direction relative to the original particle. What are their energies
Let the masses of blocks A and B be 4.0 kg and 2.0 kg, in that order, the moment of inertia of the wheel about its axis be 0.400 kg*m^2, and the radius of the wheel be 0.140 m. Find the linear accelerations of block A if there is no slipping between ..
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