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In a Millikan-type experiment, two horizontal charges plates are 2.5 cm apart. A latex sphere of 1.3x10^-15 kg remains stationary between the plates when the potential difference between the plates is 400 V. The upper plate is charged positive and the lower plate is negative. What is the type of charge on the sphere? And what is the electric field intensity between the plates?
A series of small machine components being moved by a conveyor belt passes over a 140-mm-radius idler pulley. At the instant shown, the angular velocity of the idler pulley is 5 rad/s clockwise. If the total acceleration of point B is 2400 mm/s2, wha..
A woman with mass 50 kg stands at the rim of a large disk rotating at 0.5 rev/s about its center axis. What is the difference in energy of the system
A tungsten filament used in a flashlight bulb operates at 0.20A and 3.2 V. If its resistance at 20 degrees C is 1.7 ohms, What is the temperature of the filament when the flashlight is on
a ferromagnetic material has a relative permeability of 2.87 atilde- 104. find the magnitude of the magnetic dipole
a partice moves along the path y=-0.090x^6(-7)meters with a constant speed of 4 m/s. assume dx/dt>_0. Determine the cartisian components of velocity and acceleration at x= - 2m
a quantity is measured 100 times and after calculating the mean the standard deviation and the standard error on the
A 31 m-long rocket train car is traveling from Los Angeles to New York at 0.7c when a light at the center of the car flashes. When the light reaches the front of the car, it instantly sounds a siren. Light reaching the back of the car instantly rings..
a) At what angle (in degrees) should this strip be placed to yield an apparent focal spot size 2.5 mm x 1.5 mm. b) Using this size target, what angle is required to obtain a 2.5 mm x 2.5 mm apparent focal spot
Write down as explicitly as you can the time-independent, non-relativistic Schrödinger equation for the following systems: A system of 3 particles of mass M in field-free space (V=0). The Be3+ion, The HD diatomic molecule
An outside loudspeaker (considered a small source) emits sound waves with a power output of95W. Find the intensity level in decibels at that distance
a dielectric is pulled from between the plates of a capacitor which remains connected to a battery. what changes occur
A body of mass m1 with initial velocity v0 collides with a second body, of mass m2, initially at rest. Calculate the ratio of this total energy to the initial LAB energy K0, in term of the masses m1 and m2.
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