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In alpha particle with a kinetic energy of 0.51 MeV approaches a stationary gold nucleus. What is the speed of the alpha particle?
14g of nitrogen gas at 0°C and 1 atm is compressed in an isochoric process to an pressure of 20 atm. How much heat is inputted into the gas
During a stage production of Peter Pan, the 53.5 kg actress playing Peter has to fly in vertically (descend). Calculate the tension in the wire supporting the actor
An aluminum cylinder is suspended in an unknown fluid by a spring scale. Outside the fluid, the object weighs 20N. In the fluid,
The index of refraction for violet light in plastic is greater than that for red light by 0.0410. Delaying any rounding off of calculations until the very end, find the index of refraction for violet light in plastic.
With an average mass of only 30.0 g, the ouse lemur of Madagascar is the smallest primate on the earth. What is the lemur's tangential speed at that point
An electron beam contains electrons that move along the +x-axis at 0.020c. The beam enters a region of length 1.0 m and runs parallel to a wire that carries a 0.20-A current in the +x-direction.
Object O1 is 16.3 cm to the left of a converging lens with a 11.7-cm focal length. What is the overall magnification of this system
To push a 24 kg crate up a frictionless incline, angled at 19° to the horizontal, a worker exerts a force of 99.5 N, What is the total work done on the crate
The maximum wavelength for which an electromagnetic wave can eject electrons from a platinum surface is 196 nm. what is the maximum speed of the ejected electrons
(a) Construct the wave function for hydrogen in the state n=4, l=3, m=2. Express your answer as a function of the spherical coordinates (r,theta,phi). (b) Find the expectation value of r in this state.
A professor's office door is 0.9 wide, 2.2 high, 4.2 thick; has a mass of 23 , and pivots on frictionless hinges. A "door closer" is attached to door and the top of the door frame. while the door is open and at rest, the door closer exerts a torqu..
A tennis player receives a shot with the ball of mass 0.058kg travelling horizontally at v=45 m/s and returns the shot with the ball travelling horizontally at 51 m/s in the opposite direction.
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