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a biker is riding on a level horizontal road the coeffients of friction between her tires and the road are micros 076
a particle moves through an xyz coordinate system while a force acts on it when the particle has the position vector
two masses m1 and m2 move in a plane and interact by potential energy ur12kr2 write down their lagrangian in terms of
a toroidal shaped magnetic material of radius a and cross sectional radius r has a small transverse gap cut into it of
a worker pushed a 27 kg block 76 m along a level floor at constant speed with a force directed 32deg below the
a small rigid cylindrical vessel contains 1 kg of humid air at 80oc under a total pressure of 1 bar the humid air
determine the enthalpy change and internal energy change of ammonia in jmole as it is heated from 350 k to 600 k using
moist air at 12oc and 80 rh enters a duct at a rate of 150 m3min the mixture is heated until it exits at 35oc the
the cooling circuit of an air conditioning system is a heat exchanger and the outside air passes the air flow is 40
a 50 m3 insulated chamber containing air at 40oc 100 kpa rh 20 is connected to another 50 m3 insulated chamber
a bicycle wheel with a radius of 38 cm is given an angular acceleration of 280 rads2 by applying a force of 025 n on
a solid disk with a moment of inertia of 353 kg m2 is spinning about its axle such that the disk rotates by 2p radians
compute explicitly energy eigenvalues and eigenfunctions of the quantum two- dimensional harmonic oscillator described
a person with mass mp 77 kg stands on a spinning platform disk with a radius of r 216 m and mass md 185 kg the disk
a cylinder having a piston restrained by a linear spring contains 05 kg of saturated steam at 120 deg c heat is
assume that the interior of the earth can be treated as an incompressible fluid in equilibrium hint let denote the
pumped energy storage a water reservoir has surface area a and depth d the water flows down pipes and through turbines
a monochromatic parallel beam of light of wavelength 633 nm is incident on totally reflecting plane mirrorangle of
a town has 500 real estate agents the mean value of the properties sold in a year by these agents is 800000 and the
two plane waves have the same omega k and amplitude e but opposite circular polarisations ie left and right show that
consider a simple spherical wave with omegakcer theta phi ta sin thetarcoskr - omega t -1krsinkr - omega t phi-hatshow
a a damped oscillator is described by the equationm xddot -b xdot - kx what is the condition for critical damping
a 10 kg block of ice has a temperature of -8degc the pressure is one atmosphere the block absorbs 420 106 j of heat
an inclined plane of angle has a spring of force constant k fastened securely at the bottom so that the spring is
a massless spring hangs from the ceiling with a small object attached to its lower end the object is initially held at