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a 29 muf capacitor has a voltage of 52 volt between its plates determine what must be the current in a 45 mh inductor
an ideal carnot engine has an efficiency of 43 percent if it were possible to run it backward as a heat pump compute
an efficiency expert observing the motion of robotic welding arm in a factory requires to summarize the motion for a
traveling at a speed of 141 ms the driver of an car suddenly locks the wheels by slamming on the brakes the coefficient
a sphere is hung by a string from the ceiling of a van when the van is stationary the sphere hangs vertically however
a 930 kilogram race car can drive around an unbanked turn at a maximum speed of 62 ms without slipping the turn has a
a tennis player receives a shot with the ball 00600 kilogram traveling horizontally at 540 ms and returns the shot with
the front 120 meter of a 1300 kilogram van is designed as a crumple zone that collapses to absorb the shock of a
a day-care worker pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a
light of wavelength 390 nanometer is incident on a clean metal surface the metal has work function 260 ev find the
if the two particles with identical masses m collide with elasticity e 0650 determine what are the final velocities of
assume the coefficient of static friction between the tires and the road on a van is 0743 and the van has no negative
a high-speed railway car goes around a flat horizontal circle of radius 480 meter at a constant speed the magnitudes of
a downhill skier whose mass is 500 kilogram attains a speed of 210 ms just as he reaches the point where a jump is
a airplane model is being flown on a guideline that can sustain at most 180 newton of tension the mass of the plane is
a vehicle is safely negotiating an unbanked circular turn at a speed of 21 ms the maximum static frictional force acts
a mass-on-a-spring system has a spring constant k 372 nm and a mass m 056 kilograma if it is given an initial
the period of oscillation for a mass-on-a-spring system is 014 second if m 38 kilogram evaluate what the spring
the displacement of a harmonic oscillator is given by y 31 sin14t where the units of y are meter and t is measured in
a 12 gram cd with a radius of 60 centimeter rotates with an angular speed of 33radsestimate what is its kinetic
a luminous disk of diameter 2 cm is places 08m to the left of a flat screen a converging lens is places among the disk
a cylinder with a piston contains 0250 mol of ideal oxygen at a pressure of 225x105 pa and a temperature of 355k the
an 75 kg stuntman jumps from a window of a building situated 25 m above a catching net assuming air resistance exerts a
an electron is accelerated from rest during a potential difference of 800 vnbsp it then moves perpendicularly to a
an aluminum frying pan with mass 15 kg is heated on a stove to180 degc and then plunged into a sink containing 80 kg of