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An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. The electron has negligible initial speed and a final speed of 2.90 x 107 m/s. Find the voltage drop from cathode to anode.
Radio astronomers often study the radiation emitted by a hydrogen atom from a transition between the two hyperfine levels associated with the ground state
Two capacitors are connected to a battery. The battery voltageis V = 50 V, and the capacitancesare C1 = 2.00 μFand C2 = 4.00 μF. Determine the total energy stored by the two capacitors when they arewired (a) in paralleland (b) in series.
Batman (mass = 102 kg) jumps straight down from a bridge into a boat (mass = 550 kg) in which a criminal is fleeing. What is the velocity of the boat after Batman lands in it
A proton is on the x axisat x = 1.2 nm. An electron is onthe y axisat y = 0.66 nm. Find the net force the two exert on ahelium nucleus (charge +2e) at the origin. i need theforces in vector i and j form. Try following the solution but myanswer is com..
You are standing on a sidewalk when a police car passes you traveling 25 m/s and sounding its siren. what is the frequency of the sirens on the police cars
Very fine smoke particles are suspended in air. The translational rms speed of a smoke particle is 2.8 x 10-3 m/s, Find the mass of a particle
a wheel starting from rest has a constant angular acceleration of 1.2 rads2 . in a 1.8-s interval it turns through an
A coil with internal resistance can be modeled as a resistor and an ideal inductor in series. Assume that the coil has an internal resistance of 1.60 ?, What is the quality factor of the circuit
A Ping-Pong ball with mass 1.5 g is attached by a thread to the bottom of a beaker. Determine the diameter of the ball
A current of 1.00 Amperes is maintained in a simple circuit with a total resistance of 3.00 ohms. How much heat is generated in 4.00 s
question1the diameter of the large piston of a hydraulic press is 20 cm. and the area of the small piston is 0.50 cm2.
What phase difference between two otherwise identical travelling waves, moving in the similar direction along a stretched string.
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