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An at wood machine consists of 2 masses Ma and Mb, which are linked by an inelastic cord of negligible mass that passes over a pulley. if the pulley has radius Ro and moment of inertia I about its axle decide the acceleration of the masses Ma and Mb and compare to the situation where the moment of inertia of the pulley is ignored.
The secondary colors, cyan, magenta, and yellow, can each be obtained by subtracting a color from white light. Which primary color is subtracted in each case
one mole of an ideal monoatomic gas initially at 300 k is expanded from an initial pressure of 10 atm to a final
The velocity selector in the figure is designed to allow charged particles with a speed of 4700 m/s to pass through undeflected. Find the magnitude of the required electric field
A student places her 350 g physics book on a frictionless table. She pushes the book against a spring, compressing the spring by 4.0 cm, What is the book's speed as it slides away
Waves from a radio station have a wavelength of 300m. They travel by two paths to a home receiver 20.0km from thetransmitter. What is the minimum distance from the mountain to the receiver
The drawing shows four insulated wires overlapping one another,forming a square with 0.050-m sides. All four wires are much longerthan the sides of the square. The net magnetic field at the centerof the square is 72 μT directed into the drawing. Calc..
if a parallel-plate capacitor is disconnected from a battery before the separation between the plates is doubled what
What is the electric potential energy of an electron at the negative end of the cable, relative to the positive end of the cable? In other words, assume that the electric potential of the positive terminal is 0V and that of the negative terminal i..
The block starts at the top of the wedge at 1.2 m. Find out the final speeds of a block and the wedge once the blook has slid to the bottom.
A satellite has a mass of 6000 kg and is in a circular orbit 4.10 x 105 m above the surface of a planet. What is the true weight of the satellite when it is at rest on the planet's surface
a boy whirls a stone in a horizontal circle of radius 1.3 m and at height 1.6 m above ground level. the string breaks
A block with mass m = 5.00 kg slides down a surfaceinclined 36.9 to the horizontal (see figure below). The coefficientof kinetic friction is 0.22. A stringattached to the block is wrapped around a flywheel on a fixed axisat O.
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