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a pendulum is constructed by attaching a mass m to an extension less string of length l the upper end of the string is
a swimmer is distance d 35 meter from a lightning strike in the water with i78 ka the water rho30 omegam the width of
two springs having spring constants k1 and k2 are attached end-to-end in series describe the effective spring constant
rose is sledding down an ice covered hill inclined at an angle of 15o with the horizontal if rose and the sled have a
jill of the jungle swings on a vine 64 meter long calculate the tension in the vine if jill whose mass is 61 kilogram
to work off a large pepperoni pizza you ate you climb a 120 meter high hilla suppose a reasonable value for mass
two blocks are connected by a string the smooth inclined surface makes an angle of 39o with the horizontal and the
on a blanked race track the smallest circular path on which cars can move has a radius of 112 meter while the largest
helium-neon laser light lambda 6328 nm is sent during a 0270 mm wide single slit what is the width of the central
two particles move about each other in circular orbits under the influence of gravitational forces with period t their
a wire having mass per unit length of 0480 gcm carries a 280 amp current horizontally to the southfind the direction
a garden hose by 440 g of mass per meter of length is lying on the ground you pull on the hose producing 12n of tension
a rabbit runs in a straight line by a velocity of 17 ms for a period of time rests for 9 s and then runs again along
two objects are connected by a string passing over a light frictionless pulley the 58 kilogram object is released from
a certain note has a frequency of 1900 hza what is the frequency of a note one octave above itb what is the frequency
during july 1994 the comet shoemaker-levy 9 smashed into jupiter in a spectacular fashion the comet really consisted of
a 084 kg block is attached to a spring and allowed to oscillate the displacement from equilibrium as a function of time
a ladder of length l12 m and mass m45kg leans against a slick wall there is not friction among ladder and wall the
a 240 gram block slides back and forth on a frictionless surface between two springs the left- hand spring has 140 nm
a 300 g bird flying along at 57 ms seesa 10 g insect heading straight toward it with a speed of 35 ms as gauged by an
an 189 kilogram block is dragged over a rough horizontal surface by a constant force of 118 newton acting at an angle
a coil of inductance 77 mh and unknown resistance and a 079 microf capacitor are connected in series with an
a 10 inch diameter circular blade of a saw slows from 4100 rpm to 0 rpm in 4 secdetermine the angular acceleration of
diffraction too occurs with sound waves consider 1100-hz sound waves diffracted with a door that is97 cm wide what is
crate that weighs 20 newton starts from rest and slides down a rough 50 meter long ramp inclined at 25o with the