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To hoist himself into a tree, a 72.0-kg man ties one end of anylon rope around his waist and throws the other end over a branchof the tree. He then pulls downward on the free end of therope with a force of 358 N. Neglect any friction between the ropeand the branch, and determine the man's upward acceleration?
An electron is trapped in a one-dimensional infinite well and is in its first excited state. What is the width of the potential well
A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. What is the translational speed of the object
A 30-60-90 prism has an index of refraction of n= 1.6. Light is normally incident on the left side of the prism, what is the angle of refraction with respect to the normal to the back surface
Two 2.50-cm-diameter disks spaced 2.00mmapart form a parallel-plate capacitor. The electric field between the disks is 4.60×105V/m. What is the voltage across the capacitor
An electron is trapped in an infinite square-well potential of width 0.7 nm. If the electron is initially in the n = 4 state, what are the various photon energies
An electron in an atom has an orbital angular momentum with ml = 0. What is the component morb,z? (J*s) What is the component ?orb,z? (J/T) If an atom is in an external magnetic field B of magnitude 45 mT and directed along the z-axis, what is the..
An L-R-C series circuit has 97.5%u03A9 , and the amplitude of the voltage across the resistor is 30.0VV . What is the average power delivered by the source
What plate separation is required for a parallel plate.
500 J of work are completed to compress the gas while, in the same process, 1400 J of heat energy are transferred from the gas to the environment. Afterward, what is the rms speed of the molecules.
A 100 g ball attached to a spring with spring constant 2.50N/m oscillates horizontally on a frictionless table. Its velocityis 20.0 cm/s when x = -5.00 cm. What is the amplitude of oscillation?
Sources A and B emit long-range radio waves of wavelength 440 m, What is the magnitude of the phase difference at the detector
A voltage ?v = (110 V) sin ?t (in SI units) is applied across a series combination of a 1.92 H inductor, a 12.5 µF capacitor, and a 12.8 O resistor. Calculate the power at that frequency
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