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glycerine in water diffuses along a horizontal column that has a cross-sectional area of 19 cm2 the concentration
an automobile fuel tank is filled to the brim with 589 liters 157 gallon of gasoline at 133oc immediately afterward the
a meter stick is supported on a fulcrum at the 17 cm mark a 070 kg object is hung from the zero end of the meter stick
a sound wave from a siren has an intensity of 925 wm2 at a certain point and a second sound wave from a nearby
a plank 200 cm thick and 167 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the
an escalator joins one floor with another one 820 m above the escalator is 133 m long and moves along its length at 620
a large disk with a radius of 20 cm has a string attached to its edge which is hanging over a table with a 200 g mass
a 30cm string of linear density 70 gm is stretched to a tension of 35n and fixed at both endsawhat is the wave speed
a block of mass 20kg rests on top of another block of mass 50kg the lower block is attached to a spring of stiffness
a 20kg hollow plastic sphere with a diameter of 130cm is used as a float to support an iron block in the water a wire
a 100g on object is suspended from a spring when 40 g are added the soring stretches an additional 50 cm with the total
a lump of clay of mass 030 kg is thrown straight at a brick wall with a speed of 22 ms the time taken from when the
ultrasonic waves with a frequency of 25mhz are used to monitor the heartbeat of a fetus assume that the speed of sound
a show the maximum height to which water can be raised in a syringe or similar device is 103mb calculate the maximum
a golden retriever is sitting in a park when it sees a squirrel the dog starts running exerting a constant horizontal
sucrose is allowed to diffuse along a 120-cm length of tubing filled with water the tube is 56 cm2 in cross-sectional
a 380-kg child swings in a swing supported by two chains each 308 m long the tension in each chain at the lowest point
a disk with moment of inerti i 10 kgm2 is inititally at rest a torque of 100nm is applied tot he disk what is the
you wish to design a hydraulic system so that a force put into it would be increased by a factor of 100a what must the
a ball is traveling horizontally over a volleyball net when a player spikes it driving it straight down to the ground
a bicycle is moving at 400 ms what is the angular speed of one of its wheels if the diameter is 600
wphy am radio transmits on a frequency of 970 khz omnidirectionally with a power of 20 kw what is its wavelength you
pluto spins about its axis with a period of approximately 639 earth days what is the rotational angular speed of
water flows straight down from an open faucet the cross-sectional area of the faucet is 19 times 10-4m2 and the speed
an automobile has a mass 2100 kg and a velocity of 17 ms it makes a rear-end collision with a stationary car whose mass