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An alpha particle can be produced in certain radioactive decays of nuclei and consists of two protons and two neutrons. The particle has a charge of q = + 2e and a mass of 4.00 u, where u is the atomic mass unit. Suppose an alpha particle travels in a circular path of radius 4.50 cm in a uniform magnetic field with B = 1.20 T. Calculate (a) its speed, (b) its period of revolution, (c) its kinetic energy, and (d) the potential difference through which it would have to be accelerated to achieve this energy.
A prosthetic leg has a mass of 3 kg and a center of mass of 20 cm from the knee joint. What is the moment of inertia about the knee joint
a flywheel of mass 12kg and radius 20cm is mounted on a light horizontal axle of radius 5cm which rotates on
The rate of airflow into and out of the lungs can be approximated as a sine wave dV/dt = A sin 2?ft, where f is the breath frequency and t is the time. Determine the maximum flow rate A as a function of tidal volume of the lung, V_Total and the fr..
What is the overall change in position for the 25 seconds?
At t1 = 5.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular motion is a1=(2m/s^2)i + (9m/s^2)j At t2 = 6.00 s (less than one period later), the acceleration is a2= (9m/s^2)i - (2m/s^2)j The period is more t..
The electric field points due east and has a magnitude of 4.3 105 N/C. The mass of the electron is 9.11 10-31 kg and that of the proton is 1.67 10-27 kg. Both the proton and electron have charge magnitudes of 1.60 10-19 C.
A square wooden raft sinks halfway into the water unloaded and sinks all the way into the water without sinking when carrying a load of 200 kg. Discover the mass of the raft?
A diverging lens with a focal length of -14 cm is placed 16 cm to the right of a converging lens with a focal length of 19 cm . An object is placed 33 cm to the left of the converging lens.
two parallel infinite sheets carry positive unifrom surface charge densities sigma and 3 sigma. what is the magnetude of electrci field between the sheets
At time t1 = 16 s, a car with mass 1100 kg is located at m and has momentum kg · m/s. what is the position of the car
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. What is the final state of the hydrogen atom
Two point charges, Q_1 = -6.1 mu C and Q_2 = 2.0 mu C, are situated between two oppositely charged parallel plates. The two charges are separated by a distance of x = 0.30 m. suppose that the electric field produced by the charged plates is unifor..
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