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A round object has a rotational inertia of I = ?MR2, where ? is a constant, M is its mass and R is its radius. It rolls a distance d down a plane inclined at an angle ?, without slipping.
Part A: If it starts from rest, what is its speed v at the distance d? Express the answer in terms of the given variables and any other constants necessary.
Part B: What fraction of the total kinetic energy is rotational? Express your answer in terms of ?
A hydrogen atom is in its n = 8 excited state. Determine, according to quantum mechanics, find the total energy (in eV) of the atom
A 20.0 kg wood ball hangs from a 2.0-m-long wire. The maximum tension the wire can withstand without breaking is 400.0 N. What is the greatest speed the wood ball can have
At one instant a bicyclist is 49.0 m due east of a park's flagpole, going due south with a speed of 14m/s. Then 35.0 s later, the cyclist is 49.0 m due north of the flagpole, going due east with a speed of 14m/s.
if an acoustic wave from an echo sounder on a ship take .30 seconds to reach the sea-floor and reflected wave returns to the boat in .30seconds how deep is the water.
Two polarizers are oriented at 48° to each other and polarized light incident on them. what was the initial polarization direction of the incident light
Water is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 5 bar and a quality of 60%. Heat transfer occurs until the tank contains only saturated vapor. Determine the final mass of vapor in the tank, in kg, and the final pressu..
A string is wrapped around a pulley of radius 3.60cm , and a weight hangs from the other end. calculate the angular acceleration of the pulley
Coulomb's Law describes the force between two charged objects, What is the magnitude and direction of the electrical force on object 2 due to Object 1
A circular loop of wire with a diameter of 0.626 m is rotated in a uniform electric field to a position where the electric flux through the loop is a maximum. At this position, an electric flux is 7.50 x 105 N×m2/C. find the magnitude of the elec..
A 220 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, What fraction of the power carried by the line in this
A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 521 N. As the drawing shows, Find the tensions in the rope to the left and to the right of the mountain climber
You walk 1140 m east and then 860 m south in a total time of 16 min. Compute your average velocity for east and south
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