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A one-dimensional infinite well of length 100 pm contains an electron in its third excited state. We position an electron-detector probe of width 5.00 pm so that it is centered on a point of maximum probability density.
(a) What is the probability of detection by the probe?
(b) If we insert the probe as described 500 times, how many times should we expect the electron to materialize on the end of the probe (and thus be detected)?
A neutron at rest decays in to a proton and an electron. how much kinetic energy (in MeV) are shared by the electron and proton? can a proton decay into a neutron and a positron?
A crate of mass 9.0 kg is pulled up a rough incline with an initial speed of 1.42 m/s. What is the change in kinetic energy of the crate
A bag of blood with a density of 1050 kg/m^3 is raised about 1.00m higher than the level of a patient's arm. How much greater is blood pressure at the patient's arm than it would be if the bag were at the same height as the arm.
Two groups of canoeists meet in the middle of a lake. After a brief visit, a person in canoe 1 pushes on canoe 2 to separate the canoes. what is the mass of canoe 2
A 0.49 kg mass at the end of a spring vibrates 9.0 times per second with an amplitude of 0.20 m. Determine the total energy of the system
A molecule has a rotational inertis of 14,000 u.pm^2 and isspinning at an angular speed of 4.3 X 10^12 rad/s. Calculate the rotational kinetic energy inelectron-volts
how to Assume the protons started from very far away. Need X and Y componet.
Two point charges = 2.10 and = -6.40 are 0.100 apart. Point is midway between them; point is 0.080 from and 0.070 from. Take the electric potential to be zero at infinity.
an airplane starts from rest and accelerates at a constant 3.00 m/s^2 for 30.0 s before leaving the ground. how fast was the airplane going when it took off
A pole vaulter vaults over the bar and falls onto thick padding. He lands with a speed of 9.8m/s; the padding then brings him to a stop in a time of 0.40s. What is the average force on his body due to the padding during that time interval?
A pen contains a spring with a spring constant of 251 N/m. How much work is done by the spring force to ready the pen for writing
The angular velocity of a wheel is given by %uDBC0%uDF9D(t) = (2.00 rad/s2)t + (1.00 rad/s4)t3. What is the angular acceleration of the wheel as a function of time
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