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Electrons are accelerated through a voltage difference of 160 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons?1.60×105 eV
Need help on 2nd partWhat is the speed of these electrons in terms of the speed of the light? (Remember that the electrons will be relativistic.)
What is the period of oscillation of the scale? State your reply numerically in seconds.
Helium is used to fill a balloon of diameter 31 cm at 23C and 1.5 atm. The mass of a helium atom is 4.0026 u, the conversion factor from u to kg is 1.66 × 10?27 kg/u, What is the average kinetic energy of each Helium atom
A wave has a wavelength of 456m and a frequency of 200Hz. What is the period of the wave? What is the wave speed?
A 64 Ω resistor is connected in parallel with a 115 Ω resistor. This parallel group is connected in series with a 20 Ω resistor. The total combination is connected across a 15V battery.(a) Find the current in the 115 Ω resistor.(b) Find the power ..
A series RCL circuit driven at angular frequency w = 605 rad/s has a capacitive reactance XC = 856 W, find the maximum value of the voltage across the capacitor
Two 6.0 uC charges are placed on the x-axis at, one at x=0.0 and the other at x=1.0m. Another charge, -3.0uC is also on the x axis, what is the total electric field at position x=0.25m
Together, two students exert a force of 640 N in pushing a car a distance of 30 m. How much work do the students do on the car
q1. an engine does 20000 j of work and rejects 6120 j of heat into a cold reservoir whose temperature is 285 k. what
what was (a) the negative charge in coulombs on one of them and (b) the positive charge in coulombs on the other.
A mini-fridge needs to maintain a temperature of 277 K. The air outside the mini-fridge has a temperature of 301 K. What is the coefficient of performance of this mini-fridge
Two point charges q1 = 4.0 ?C and q2 = -8.0 ?C are placed along the x-axis at x1 = 0 m and x2 = 0.20 m, What is the electric potential energy of this system of charges
A 20000kg rocket has a rocket motor that generates 3.0×10^5 N of thrust. What is the rocket's initial upward acceleration
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