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An unstable Pu-240 nucleus (mass 240.002 u) is at rest when it fissions into two Ag-120 nuclei (mass 119.893 u) which then fly off far from each other. Find the final kinetic energy of one Ag-120 nucleus when it is far from the other one. (1u = 1 atomic mass unit = 1.66 x 10E27 kg)
certain streets in san francisco make an angle of 19.0 degrees with the horizontal. what force parallel to the street
An ac generator supplies an rms voltage of 5.00 v to an RL circuit. At a frequency of 21.0kHz the rms current in the circuit is 45.0 mA; at a frequency of 26.0 kHz the rms current is 40.0 mA. What is the values of L in this circuit? What is the value..
A wind turbine is initially spinning at a constant angular speed.As wing strength gradually increases, the turbine experiences aconstant angular acceleration of 0.160 rad/s^2. What was the initial angular velocity of the turbine
The average nascar car weights 3,400lbs. at a recent nascar racethe cars went flying around the banked curces at daytonainternational raceway. What is the centripetal force on the car keeping it goingaround the curve at a speed of 200 mph
The activity of a sample drops by a factor of 10 in 9.1 minutes. What is its half-life
The battery charger for an MP3 player contains a step-down transformer with a turn ratio of 1:40, What voltage does the secondary coil of the transformer provide
An organ pipe is 1.17 m long. The temperature of the air is 20 degree C. What is the fundamental harmonic frequency of this pipe when it is closed at one end
question what is the smallest temperature change that can be reliably detected using a bridge- thermistor circuit? how
Suppose a modified Joule's apparatus contains 2.8 kg of water. instead of the ropes having weights on the end, the apparatus is turned by exerting a constant horizontal force of 40 N on a heavy cord wrapped around the axle.
A 990 g block oscillates on the end of a spring whose force constant is k = 66 N/m. What is the fractional decrease in amplitude per cycle
The distance between the electron and proton in a hydrogen atom is 5.3 x10-11 m. Find the speed of the electron as it orbits the proton
there is a helmholtz coil that consists of two circular coaxial coils each of n281 turns and radius r21.2cm separated
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