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Consider a proton moving in 3 dimensions, whose motion is confined to be within a nucleus (a sphere of radius 2e-15 m) and whose momentum must have magnitude less than p0= 3e-19 kgm/s. Roughly how many quantum states are available to this proton? (Hint: The volume of a sphere of radius p0 is (4/3)pi*p30). According to the book, the answer is 13, I'm just not sure how they got that answer.
A 46.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 20.0 m. What is the centripetal acceleration of the child
A catapult with a radial arm 4.02 m long accelerates a ball of mass 20.5 kg through a quarter circle. The ball leaves the apparatus at 42.6 m/s. Find the moment of inertia of the arm and ball
Explain how the electric potential energy of a particle can increase
a 18.0 -m length of wire consists of 9.0 m of copper followed by 9.0 m of aluminum both of diameter 1.3 mm. a voltage
A spring with natural length .5 m has length 50.5 cm with a mass of 2 gm suspended from it. The mass is initially displaced 1.5 cm below equilibrium and released with zero velocity. Find its displacement for t > 0.
Q:) If f(x)=4-7x and g(x)=x^2 + 1 find (f g)(x) and (g f)(x)
A mass is placed at rest on a ramp inclined at 33 degrees to the horizontal. what is its acceleration down the ramp
What is the minimum energy that photons must have to produce 59 keV electrons in a Compton scattering
A car on a Ferris wheel has an angular displacement of pie/4 rad, which corresponds to an arc length of 28.0m. What is the Ferris wheel's radius
A 0.15 millimeter diameter copper wire is 15 meter long. Determine the power dissipation in the wire if the potential difference across its ends is 10 V
two people are talking at a distance of 3.0 m from where you are and you measure the sound intensity as 1.1 times 10-7
a series of object are being rotated. the same net torque is being applied to each object. rank the object in order of
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