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a hoop of mass M=2 kg and radius R=0.4 m rolls without slipping down a hill. The lack of slipping means that when the center of mas of the hoop has speed V, the tangential speed of the hoop relative to the center of mass is equal to Vcm,since in that case the instantaneous speed is zero for the part of the hoop that is in contact with the ground (v-v=0). The initial speed of the hoop is Vinitial =2m/s, and the hill has a height of H=4.1 m. what is the speed Vfinal at the bottom of the hill?
Two masses m1= 1 kg and m2= 2 kg are connected to each other by a massless rope that passes over a pulley with mass mp= 0.5 kg. What is the period (in s) ofsmall oscillations of this system
Your goal in laboratory is to launch a ball of mass m straight up so that it reaches exactly height h above the top of the launching tube. Find an expression for the acceleration that will earn you maximum points
Find the approximate mass of the dark and luminous matter in the Milky Way galaxy. Assume the luminous matter is due to approximately 1011 stars of average mass 1.5 times that of our sun
If you start with two sinusoidal waves of the same amplitude traveling in phase on a string and then somehow phase-shift one of them by 12.50 wavelengths
when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find out the potential at B.
At the time the switch is closed completing a simple LC circuit, the capacitor has 3.4 J of stored energy and the inductor has no stored energy. What is the energy stored in the inductor at that time
A solid cylinder has an area of 10cm^2 and a height of 1.0m. The cylinder is composed of 2 different materials with mass densities of 2000 kg/m^3, what is the mass of the cylinder
an object is thrown upward with a speed of 12m/s on the surface of planet x, What is the maximum height reached by the object
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 56.03 diopters, and the lens-to-retina distance is 1.827 cm. How far is the blackboard from her eyes
A basketball rolls without slipping down an incline of angle ?. The coefficient of static friction is ?s. Model the ball as a thin spherical shell. Find the frictional force acting on the ball
A Young's double-slit interference experiment is performed with blue-green argon laser light. The separation between the slits is 0.525 mm, What is the wavelength of argon laser light
Sound Check, a merchandising company specializing in home computer or speakers, budgets its monthly cost of goods sold to equal 70% of sales. Calculate the budgeted merchandise purchases.
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