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A Polonium nucleus (m1 = 210 amu) at rest emits an alpha particle (m2 = 4 amu) to the right as a result the nucleus travels to the left at 350 km/s.
a. What is the speed of the alpha particle?
b. What is the kinetic energy of each of the particles?
Listed below are the forces that were applied to the cart in these three runs. Use Newton's second law to estimate the mass of the cart in kg from this set of data
A rescue helicopter lifts a 91.2-kg person straight up by means of a cable. What is the tension in the cable
A long, current-carrying solenoid with an air core has 1640 turns per meter of length and a radius of 0.0173 m. What is the mutual inductance of this system
A hydrogen atom emits a photon having an energy of 12.1 eV. What's the frequency of the photon
A large capacitance of 2.00 mF is needed for a certain application. What is the maximum voltage that can be applied
At the equator the Earth's magnetic field has a direction horizontal with respect to the ground and toward the north with a magnitude of 5.0 x 10^-5 T. With what velocity (magnitude and direction) must an electron be fired
A 100-kg streetlight is supported equally by two ropes. One rope pulls up and to the right, 40° above the horizontal; What is the tension in each rope
When a woman who is 2 m tall stands near a flagpole, the shadow of her head and the shadow of the top of the flagpole are superimposed, Find the height of the flagpole
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. What is the electric field energy density at P
A 0.95 kg air-track glider is attached to each end of the track by two coil springs. It takes a horizontal force of 0.500 N to displace the glider to a new equilibrium position, x= 0.130 m.
40K is a naturally occurring rare isotope of potassium responsible for some of our exposure to background radiation. Find the radius of a 40K nucleus
a hydrogen atom initially in its ground state absorbs a photon of energy 2.09 x 10^-18 J. Calculate the frequencies of every different photon emitted in this process
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