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An electron is released from rest in a uniform electric field. The electron accelerates vertically upward, traveling 4.50 meter in the first 3.00 μs after it is released.
Determine what is the magnitude of the electric field?
A bullet of mass 15 gram is fired with an initial speed of 300 m/s into a wooden particle that is initially at rest. calculate what is the mass of the particle
a point source generating a spherical sound wave at 50hz gives a sound pressure level of 96db re 20upa at a distance
A 350 kg piano slides 3.90 m down a 23 degree incline slope, and is kept from accelerating by a man who is pushing back on it parallel to incline. What is the force completed by the man.
A 2.5 kOHM and a .5kOHM resistor are connected in parallel; this combination is connected in series with a .583kOHM resistor. find the maximum voltage that can be applied by the battery
An unhappy rodent of mass 0.289kg , moving on the end of a spring with force constant 2.52N/m , is acted on by a damping force Fx=?b?vx. If the constant b has the value 0.894kg/s , what is the frequency of oscillation of the mouse
If a metal target is bombarded with electrons which have been subjected to a potential difference of 44 kV, the minimum wavelength of the X-rays produced is about?
A 1 kilogram ball is attached to the end of a 2.5 meter string to form a pendulum. This pendulum is released from rest with the string horizontal. Find the speed of the block just after the collision
You accidentally drop a pen from 1.1 m above the floor. How long does it take for the pen to reach the floor
The electron's brother is the neutrino which has no mass and no charge, Given that the electron's mass in energy units is 0.511 MeV, calculate its classical radius r0.
You are riding a bicycle at 15.0 m/s toward a woman who is holdinga screaming baby. You note that you hear the scream at a perfect middle A (440 Hz) Find the actual frequency of the baby's scream.
When UV light of wavelength 245nm falls on a metal surface, What is the work function of the metal
At a certain location, the horizontal component of the earth's magnetic field is 4.90 x 10-5 T, due north. Find what is the speed of the proton
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