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a hiker who weighs 670 n is strolling during the woods and crosses a small horizontal bridge the bridge is uniform
a hypodermic syringe has a plunger area 25 cm2 and a 50 x10-3 needlea if a small obstruction is at the end of the
a running student has half the kinetic energy that his younger brother has the student speeds up by 13 ms at which
planetary model of hydrogen atom has an electron in a circular orbit about a proton the motion of the electron of
through an adiabatic process the temperature of 362 rm mol of a monatomic ideal gas drops from 480rm circ c to 240rm
a large negatively charged object is placed on an insulated table a neutral metallic ball rolls straight toward the
the front brake pads on your car wear out faster than the rear brake pads in fact some cars are specially designed with
a 02 kg mass is attached to two springs by identical spring constants of 90 nm and moves on a horizontal frictionless
in an experiment by a helium-neon laser with a wavelength of 6328nm you illuminate a double slit that is positioned 30m
the human lungs can function satisfactorily up to a limit where the pressure dissimilarity between the inside and
a length of copper wire carries a current of 12 a uniformly distributed during its cross section the wire diameter is
1 helium-neon laser light lambda 6328 nm is sent during a 0290 mm wide single slit what is the width of the central
a length of copper wire carries a current of 17 a uniformly distributed during its cross section the wire diameter is
the position of a simple harmonic oscillator is given with xt 05 cos pi 3 t where t is in secondswhat is the period of
two 40 cm by 40 cm square plates is used to make a capacitor they are separated by 050 x 10-6m of air if the capacitor
a 031 mev x-ray photon collides by an electron and scatters straight back the way that it camea what is the energy of
a 20 kg block is pulled across a horizontal surface by a rope the block has an acceleration of 23 ms2 and the
the mass of a mass and spring system is displaced 10 cm from its equilibrium position and released a frequency of 40 hz
a 050 kg mass is attached to a spring of spring constant 20 nm along a horizontal frictionless surface the object
optimums prime is flying straight up at 72ms when he accidentally drops his mega-ray blaster and it falls 81 m to the
to minimize the power loss in the conducting wires would it be better to deliver 100 watts of power in the form of a
a 2658 n force is applied 2 cm from the axis of rotation and is parallel to the lever arm a rotating body has an
an observer to the right of the mirror-lens combination shown in the figure below sees two real images that are the
a small earthquake starts a lamppost vibrating back and forth the amplitude of the vibration of the top of the lamppost
one slit of a double-slit arrangement is covered with a thin plastic plate of refractive index 14 and the other by a