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during exhalation the diaphragm muscle contracts exerting a force of 530 newton over an area of 610 cm2 determine how
the maximum pressure difference which can be withstood by the membrane of the eardrum is 30 kpaa determine the maximum
what is the angular separation of the two second-order spectral lines having wavelengths 417 nm and 388 nm using a
determine how much pressure is required to pump blood from the heart through the cerebral arteries into the
a 206 newton force is applied to the plunger of a hypodermic needle if the diameter of the plunger is 110 centimeter
a spherical balloon has a radius of 792 meter and is filled with helium calculate how large a cargo can it lift
a geologist finds that a moon rock whose mass is 808 kilogram has an apparent mass of 512 kilogram when submerged in
at sea level a tire pressure gauge indicates a tire pressure of 255 psi evaluate the absolute pressure of air inside
the maximum gauge pressure in a hydraulic lift is 161 atm determine the largest size vehicle it can lift if the
find the minimum gauge pressure needed in the water pipe leading into a building if water is to come out of a faucet on
a 180 mhz sound wave travels through a pregnant womans abdomen and is reflected from the fetal heart wall of her unborn
determine what is the absolute pressure on the bottom of a swimming pool 24 meter by 720 meter whose uniform depth is
a toy train is pushed forward and released at xi 30m with a speed of 25ms it rolls at a steady speed for 26s and then
mr goldfinger breaks into ft knox to steal the gold each gold brick has dimensions of 33 centimeter by 26 centimeter by
a plastic spring with spring constant 850 nm has a relaxed length of 0100 m the spring is positioned vertically on a
find with what tension must a rope with length 290 meter and mass 0220 kilogram be stretched for transverse waves of
surgeons can remove brain tumors by using a cavitron ultrasonic surgical aspirator which produces sound waves of
its your birthday and to celebrate you are going to make your first bungee jump you stand on a bridge 120 meter above a
two loudspeakers emit sound waves along the x-axis a listener in front of both speakers hears a maximum sound intensity
a violinist places her finger thus that the vibrating section of a 100 gm string has a length of 40 centimeter and then
a thin uniform metal bar 3 meter long and weighing 90 newton is hanging vertically from the ceiling by a frictionless
two loudspeakers in a 20oc room emit 720 hertz sound waves along the x-axisif the speakers are in phase determine the
a chair of weight 135 newton lies atop a horizontal floor the floor is not frictionless you push on the chair with a
a football coach sits on a sled while two of his players build their strength by dragging the sled across the field
after experiment the hand warmer has fastest temperature increase but confused how to answer this find which pack had