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a simple pendulum is 400 m longa what is the period of small oscillations for this pendulum if it is located in an
the angular position of a pendulum is represented by the equation given below where is in radians and 412 rads
a simple pendulum has a mass of 0250 kg and a length of 600 m it is displaced through an angle of 140deg and then
a 61 v battery is connected across a 62600 ohm and a 31700 ohm resistor connected in series what is the per cent error
a block-spring system oscillates with an amplitude of 335 cm the spring constant is 250 nm and the mass of the block is
nitrogen triflouride decomposes to form nitrogen and flourine gases according to the following equation 2nf3 g lt--gt
a galvanometer has a coil resistance of 100 ohms and gives a full scale deflection when the potential difference across
a piston in a gasoline engine is in simple harmonic motion if the extremes of its position relative to its center point
a baseball has a velocity of 436 ms 975 mih directed horizontally as it is released by a pitcher the balls velocity
the following reaction is investigated assume an ideal gas mixture2n2og n2h4g lt--gt 3n2g 2h2og initially there are
consider a bimetallic strip consisting of a 05mm thick brass upper strip welded to a 05mm thick steel lower strip when
a wedge of air is formed between two glass plates that are 90 cm long with one edge touching and the other separated by
tritium 13 rmrm h is an unstable isotope of hydrogen its mass including one electron is 3016049 rm u determine the
a physical pendulum is composed of a sphere whose center of gravity is attached to a thin rod the sphere has a moment
given that the number of electrons per volume in aluminum is 301x1056 electronsm3 determine the valence number number
in the movie once upon a time in america set in the prohibition era a clever ploy is used by bootleggers transporting
a particle moves along the x axis it is initially at the position 0270 m moving with velocity 0070 ms and acceleration
an antifreeze solution is made by mixing ethylene glycol 1116 kgm3 with water suppose the specific gravity of such a
an irregularly shaped chunk of concrete has a hollow spherical cavity inside the mass of the chunk is 415 kg and the
a photon with a wavelength of 390times1013 m strikes a deuteron splitting it into a proton and a neutrona calculate the
a small hole is cut in the bottom of a water storage tank the initial depth of the water is 1200 m if the diameter of
a small but measurable current of 770 e-10 a exists in a copper wire whose diameter is 005 cm calculate the electron
a patio swing is suspended by two springs each of which has a force constant of 465 nm equivalent to a single spring
mark pushes his broken car 150m down the block to his friends house he has to exert a 110n force to push the car at a
scuba divers breathe compressed air stored in metal tanks what must the pressure of the air supplied to a diver at a