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A playground carousel is rotating counterclockwise about its center on frictionless bearings. A person standing still on the ground grabs onto one of the bars on the carousel very close to its outer edge and climbs aboard. Thus, this person begins with an angular speed of zero and ends up with a nonzero angular speed, which means that he underwent a counterclockwise angular acceleration. The carousel has a radius of 1.68 m, an initial angular speed of 3.13 rad/s, and a moment of inertia of 121 kg·m2. The mass of the person is 45.5 kg. Find the final angular speed of the carousel after the person climbs aboard.
After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 55 kilometer horizontally from the end of the ramp. evaluate his initial velocity (magnitude and direction) when he left the end of the ramp
Helium-neon laser light (λ = 632.8 nm) is sent during a 0.350 mm wide single slit. What is the width of the central maximum on a screen 3.00 m from the slit?
Consider a proton and an electron separated by a distance of 3 nm. Find the magnitude of the gravitational force between them
An Ion beam passes during crossed electric and magnetic fields without deflection. The electric field is 2340 N/C and the magnetic field is 0.026 T. When the electric field is turned off, the beam's path takes on a curvature by a radius of 36.1298 mm..
A gamma ray (a high-energy photon) can produce an electron (e?) and a positron (e+) of equal mass, What minimum gamma-ray energy is required to accomplish this task
demonstrate that the ground state wave function of a particle in an infinitely deep box is an eigenfunction of the
A spring is compressed by 0.0748 m and is used to launch an object horizontally with a speed of 2.64 m/s. at what angular frequency (in rad/s) would it oscillate
A skyscraper has 550 windows that each have length 2.50m and height 2.0m when the temperature is 25C. the windows are made of single-pane glas of thickness 1/2"(1.27com) mounted in an aluminum frame.
Utilizing knowledge from your learning and assigned readings, respond to the following questions:
the near and far points of a person are at 40cm and 250cm respectively. find the power of the lens heshe shoeld use
A man stands in the middle of a boat, which is 4.1 m long and has a mass of 75 kg. The end of the boat that is closest to land is 2.7 m from the shore. What is the mass of the man
Cosnider Children playing on a merry go around that is 6m in diamter, turning at 10 revelutions per minute. What will the Coriolis Force observed on a 600 gram basketball thrown with a horizontal speed of 5m/s? It is thrown between two children on o..
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