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Electrons are accelerated through a voltage difference of 220 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.)
Find the torque due to the spring. Assume that theta is small enough that the spring remains effectively horizontal and you can approximate :sin(theta) = theta (approximately) and cos(theta) = 1 (approximately), Express the torque as a function of t..
A car approaches you at a constant speed, sounding its horn, and you hear a frequency of 76 Hz. What is the frequency o the sound emitted by the horn
W hat least energy an incident alpha particle must have to penetrate the gold nucleus. What is the direction of the carbon atom after the collision.
If a 37.2N horizontal force must be applied to slide a 15.8kg box along the floor at constant velocity what is the coefficient of sliding friction between the two surfaces.
A 150-g block is projected up a ramp with an initial speed of 8.1 m/s. If the ramp is inclined 28° with the horizontal, how far along the surface of the ramp does the block slide before coming to a stop
the speed with which hair or fingernails grow. what is the average speed of growth? What units are most appropriate for describing this speed
What is the shape of the equipotential curves very close to a conducting circular disk
Explain how much distance is between you and the deer when you come to a stop? What is the maximum speed you could have and still not hit the deer?
You are experimenting with a single slit diffraction system but the single slit varies in width from top to bottom, How will the diffraction pattern change
A golf ball of mass 0.045 kg is hit off the tee at a speed of45 m/s. estimate the impulse imparted to the golf ball
After landing, a jetliner on a straight runway taxis to a stop at an average velocity of -32.0 km/h. what are the planes initial velocity and acceleration
A 65.5 kg firefighter slides down a pole while a constant frictional force of 300 N retards her motion. Find the maximum distance the spring is compressed
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