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you stand on a frictional platform that is rotating at 14 revs your arms are outstretched and youhold a heavy weight in
two ice-skaters whose masses are 45 kg and 75 kg holdhands and rotate about a vertical axis that passes between
a coil of inductance 90 mh and unknownresistance and a 080 microf capacitorare connected in series with an alternating
two neutrons are in an infinite square well with l 20 fm what is the minimum total energy that the system can have
a 25 g bullet fired horizontally hits a 145 kg block of wood placed on a horizontal surfacethe bullet penetrates into
to reduce the power requirement of elevator motors elevators arecounterbalanced with weights connected to the elevator
two packages at ups start sliding down the 20degree ramp package a has a mass of 5 kg and coefficient of friction of
water runs out of a horizontal drainpipe at the rate of 120 litersper minute it falls 320m to the ground assuming the
a cosmic-ray proton in interstellar space has an energyof 165 mev and executes acircular orbit having a radius equal to
each of the three helicopter rotor blades shown in the figureis 520 m long and has a mass of 240 kg therotor is
if a magnetic compass is placed between the plates of a fully charged capacitor why wouldnt the compass will align
a peak intensity of an em wave is 340x107 wm2 if the peak magnetic field is 287x10-6 t what is the peak electric
a wind turbine is initially spinning at a constant angular speedas wing strength gradually increases the turbine
as current flows through a uniform wire the wire gets hotterbecause the electrons slow down and therefore transform
a baking dish is removed from a hot oven and placed on a coolingrack as the dish cools down to 320degc from 193degc its
two identical batteries of emf epsilon 917 v and internalresistance r 0279 omega are to be connected to an external
an object weighing 305 n in air isimmersed in water after being tied to a string connected to abalance the scale now
the coefficient of static friction between the m 290 kg crate and the 350degincline of the figure below is 0320what
a hydrogen atom consists of a proton and an electron if the orbital radius of the electron increases then the potential
two converging lenses each of focal length 165 cm are placed 398 cm apart and an object is placed 300 cm infront of the
a body is traveling at 40 ms alongthe positive direction of an x axis no net force acts onthe body an internal
a neutron mn 9396 mevc2 atrest decays into a proton mp 9383mevc2 an electron me 5mevc2 and an antineutrinommu 0
a cylinder of mass 110 kg rolls without slipping on a horizontal surface at time t its center of mass hasa speed of 140
a stationary detector sends out a sound wave of frequency0305 mhz toward an approaching car the speed of the car is
a 2000 kg truck traveling north at 41 kmh turns east andaccelerates to 57 knh what is the change in thetruckrsquos