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A beam of protons at an accelerator creates a current of 120 mu/A. how many protons strike the target in 30.0 s
assume that a proof plane is a conducting disc with a radius of 1.0 cm and is used to transfer some charge from the sphere described above. How much charge will be transferred in one scoop
An automobile starter motor has an equivalent resistance of 0.0470 and is supplied by a 12.0 V battery with a 0.0120 internal resistance. What is the current to the motor
The hot resistance of a flashlight bulb is 1.90 , and it is run by a 1.53 V alkaline cell having a 0.100 internal resistance. Calculate the power supplied to the bulb
Your car's 29.5 W headlight and 2.35 kW starter are ordinarily connected in parallel in a 12.0 V system. What power would one headlight and the starter consume
A 5 kg block has an initial speed of 10m/s down a frictionless include plane. Determine the amount by which the spring compress
Find the rms voltage across each element in an RLC circuit with R = 9.2k ohm, C= 0.13 uF, and L= 25mH. kH
A series RLC circuit has components with following values: L = 20.0 mH, C = 100 nF, R = 20.0 Ohm, and dVmax = 100 V, Calculate the average power in the resistor at resonance
A 70.0Hz generator with an rms voltage of 165Vis connected in series to a 3.35k ohm resistor and a 2.5uF capacitor, Find the phase angle between the current and the voltage
A particle of mass 7.22 x 10^-27 kg, moving at 7.06 x 10^5 m/s, strike an identical particle which is initially at rest. What are the final speeds of the particles
A spaceship moves away from Earth at a speed 0.417 c and fires a shuttle craft that then moves in a forward direction at 0.701 c relative to the ship. determine the speed of the pribe realitive to e
Two particles, one with charge -7.13 %u03BCC and one with charge 7.75 %u03BCC, are 3.59 centimeters apart. What is the magnitude of the force that one particle exerts on the other
A 500-turn solenoid is 23 cm long, 1.5 cm in diameter, and carries 65 mA. How much magnetic energy does it contain
A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 395 kV. If the upgraded transmission lines have the same resistance, what is the ratio of new li
Assuming a typical efficiency for energy use by the body, how many slices of pizza must you eat to walk for 1.5hr at a speed of 5.0 km/hr
A star is moving away from Earth at a speed of 2.3x10^8 m/s. find the wavelength as measured by an Earth observer
An ac generator with a frequency of 135Hz and an rms voltage of 20.5V is connected in series with a 11.0 kOhms resistor, What is the rms current in this circuit
The primary windings of a transformer, which has an 65% efficiency, are connected to 110 V ac. Calculate the current through the primary windings of the transformer
A star is moving away from Earth at a speed of 2.3 108 m/s. What is the wavelength as measured by an Earth observer
In a series R-L-C circuit, L=0.200 H, C=80.0 microfarads, and the voltage amplitude of the source is 240 V. What is the resonance angular frequency of the circuit
A series circuit consists of an ac source of variable frequency, a 115 ohm resistor, a 1.25 microfarad capacitor, Find the impedance of this circuit when the angular frequency of the ac source is adju
A series R-L-C circuit is connected to a 170 Hz ac source that has Vrms=80.0 V. What average power is delivered to the circuit by the source
The cylindrical beam of a 80.0 mW laser is 0.80 cm in diameter. What is the rms value of the electric field
A tightrope walker is practicing. She is balanced on a rope at the exact midpoint of the rope. What angle with the horizontal does it make
three charges shown in figure from an equilateral trangle with 4.9 cm long sides what is the electrical potentialat the point indicted with the dot