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An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.71 x 105 m/s to a final velocity of 2.89 x 106 m/s while traveling a distance of 0.0834 m. The electron's acceleration is due to two electric forces parallel to the x axis: = 9.22 x 10-17 N, and , which points in the -x direction. Find the magnitudes of (a) the net force acting on the electron and (b) the electric force.
The far point of a nearsighted person is 5.0m from her eyes, and she wears contacts that enable her to see distant objects clearly. A road sign is 20.0m away and 2.5m high, (a) When she looks through the contacts at the sign, what is its image dis..
A long uniform rod of mass 4kg and length 2m is suspended by a frictionless pivot at its top end from the ceiling. What is the amplitude (in degrees) and period of the subsequent pendular motion of the rod/blob system
In a double-slit interference experiment, the wavelength is ? = 622 nm, What is the linear distance between the 6th order maximum and the 2nd order maximum on the screen
an electron, proton and an alfa particle, accelerated trough the same potential difference, enter a region of uniform magnetiv field, what are the radii of the electron and alfa particle path
What is the minimum diameter mirror on a telescope that would allow you to see details as small as 5.25 km on the moon some 384000 km away
find out the z-component of the block's momentum after the kick.
q1. elmer really likes to cook with onions and he puts onions into almost everything he makes. he generally starts
A spacecraft approaching the earth launches an exploration vehicle. After the launch, What is the speed of the exploration vehicle relative to the spaceship
Some extreme sport enthusiasts have been know to jump off the top of El Capitan, It is very important that the parachute be far away from the cliff when opened. How far is the jumper from the cliff when opening the parachute
Sources A and B emit long-range radio waves of wavelength 440 m, What is the magnitude of the phase difference at the detector
The movement of the water because of the tides will give kinetic energy to the turbine blades, causing them to spin. In the calculations that follow ignore any frictional drag because of the seawater.
A 220 g top spinning at 14 rev/s makes an angle of 30° to the vertical and precesses at a rate of 1 rev per 8.0 s. what is the moment of inertia of the top
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