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a wooden block slides directly down an inclined plane at a constant velocity of 60 ms how large is the coefficient of
a teacher sits on a freely rotating stool holding two weights each of mass 260 kg when her arms are extended
a boy and girl are balanced on a massless seesaw the boy has amass of 75kg and the girl has a mass of 50kg if the boy
a skateboarder whose mass is 57kg is moving at 37ms at thetop of a 51m ramp without pushing on the ground she rolls
a vibrating string with a uniform linear mass density exhibits a single-loop standing wave pattern with a frequency of
in an average human basic life processes require energy to besupplied at a steady rate of 100 rm wwhat daily
a puck on a frictionless air hockey table has a mass of 0500 kg and is attached to a cord passing through a hole in the
a thin rod of uniform mass density has length l 120 m and mass m 200 kg it is pivoted about a horizontal frictionless
an aluminum tank of volume 00300 meters cubed is filledto the top with mercury at 20 degrees c the tank is placed
a harpsichord string of length 165 m and linear mass density 244 mgm vibrates at a fundamental frequency of 445 hz1
nbspa 1000hz sound travels through pure oxygennbsp the wavelength of the sound is measured to be 065mnbsp what is the
a transverse wave on a string is described by the following equation where x is in meters and t is in seconds y 0130 m
the force stretching the d string on a certain guitar is 6400nnbsp the strings linear mass density is 001kgmnbsp what
a cart is placed on an inclined plane a wooden board which is seton an angle and attached to a pulley by a rope at the
at this depth what force must the frame around a circularsubmarine porthole having a diameter of 310 cm exert to
an empty 1070 kg car has its cm250 m behind the front of the car howfar from the front of the car will the cm be when
an empty rubber balloon has a mass of 0120kg the balloon isfilled with heliumat a density of 181 kgm3 at this density
a an electron is measured to be within 10 um of a certain pont find the minimum uncertainty in the speed of the
a solid cylinder abcd radius 0150 m height 0120 m has the mass of 700 kg this cylinder is floating in water then oil
a 209-kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp the ramp is inclined at
two narrow slits 3 mm apart are illuminated with light from a sodium lamp lamda 589 nm and an interference pattern
a 161-kg sled is being pulled across a horizontal surface at aconstant velocity the pulling force has a magnitude of
a car starts from the bottom of a hill with a slope of 10 degrees and travels with a constant velocity of 20ms when its
a small electric immersion heater is used to heat 110g of water for a cup of instant coffee the heater is labeled 200
a boat traveling at a speed of 12kmh takes 36 minutes to travel 9 km down a rivera what is the speed of the riverb how