An electron (m=9.11×10-31 kg) moves in a circle whose radius is 2.00 x 10-2 m. If the force acting on the electron is 4.60×10-14 N, what is its speed?
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Q1) Romeo is pining away wanting to talk to Juliet once more. He decides to go below her window and throw rocks at the window to wake her. Romeo stands 6.0 m horizontally from Juliet’s window and 9.5 m vertically below the window. Romeo wants the rocks to hit the window with only a horizontal […]
Please help me to solve my Statistical Optics homework (Goodman) please kindly find my attached file.
How does one derive equations to get to this equation? g(p1-p2)T / µ(R-1)t where µ is viscosity p1 is density of sphere p2 density of liquid T is temperature t is time R is radius its for an IA
In circuits, Ohm’s law implies that:
Write the expression for pressure exerted by a liquid?
1-The concept of thermionic emission is the basis of modern X-ray tubes, which are the workhorse of a medical X-ray image. In this process a filament (a piece of metal in a vacuum) is heated by the application of electrical current. The heat (energy) is transferred to the ‘free’ electrons of the metal which allow […]
A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 14 m/s. The cliff is 51 m above the water’s surface. The acceleration of gravity is 9.81 m/s With what speed does the stone strike the water? Answer in units of m/s.
