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a suspension bridge is 620 m above the level base of a gorge a stone is thrown or dropped from the bridge at the
a ball is thrown into the air from ground level after a time t 10 s the ball has traveled to a position x1 290 m to
a sample of a gas occupies 525 m3 at an absolute pressure of 100atm amp temp of 20 degrees ca what is the volume if the
a sample of a gas occupies 525 m3 at an absolute pressure of 100atm amp temp of 20 degrees ca what is the number of
assume you are a scuba diver preparing for a 30m dive into sea water of density 1025 kgm3a assume your lungs contain a
assume you are a scuba diver preparing for a 30m dive into sea water of density 1025 kgm3a if the denisty of air at sea
positive pressure is used in blood transfusion suppose the pressure in a vein is 025kpa and the density of blood is 104
a how much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each
a water pipe decreases in diameter from 16 cm to 8 cm in the wider section the average velocity is 300cmsa what is the
approx 8 of body weight lies above the 5th cervical vertebral body if an individuals mass is 66kg and if the cross
suppose that the force exerted by the heart on the blood entering the aorta is 325n and the surface area of the aorta
two identical twins are falling toward the ground the twin in the green jumpsuit is going down head first and the twin
a new space shuttle takes d days to travel from the earth to the moon once it leaves earths orbit estimate the
the low range of frequencies used for medical applications is about 1000000 hz what is the wavelength of this frequency
sound from the siren of an emergency vehicle has a frequency of 7500 hz and moves with a velocity of 3430 ms what is
a warning buoy is observed to raise every 50 s as crests of waves pass by ita what is the period of these wavesb what
a submarine sends a sonar signal which returns from another ship 2250 s later how far away is the other ship if the
police investigators examining the scene of an accident involving two cars which nearly came to a stop before colliding
a person stands on a bathroom scale in a motionless elevator when the elevator begins to move the scale briefly reads
a ball is thrown horizontally from the roof of a building 450m tall and lands240m from the base what was the balls
the summit of a mountain 2450m above base camp is measured on a map to be 4580m horizontally from the camp in a
you see condensed steam expelled from a ships whistle 250 s before you hear the sound if the air temperature is 200
as two boats approach the marina the velocity of boat 1 relative to boat 2 is 213 ms in a direction 403deg east of
two small plastic balls hang from threads of negligible mass each ball has a mass of 054 g and a charge of magnitude q
two closely spaced circular disks form a parallel-plate capacitor transferring 8900times109 electrons from one disk to