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A heart ejects 5.0L per minute of blood into the aorta. The average blood speed in the aorta is 22cm/s. The density of the blood is 1.06g/cm^3. The mass of the heart is 300 gram.
Calculate the net force acting on the heart?
A power plant having a carnot efficiency produces 1000 MW electric power from turbines that take in steam at 500K, Determine the flow rate of the river
Resistance is a property of an object while resistivity is aproperty of a material. Increasing the length of a conductive wire lowers the resistance ofthe wire. Ohm'sLaw is true for all electronic devices.
A water dispenser for pets has an inverted plastic bottle. When acertain amount of water is drunk from the bowl, more water flowsautomatically from the bottle into the bowl. The bowl neveroverflows. Explain the operation of the dispenser. Does the he..
A person going for a morning jog on the deck of a cruise ship isrunning toward the bow (front) of the shipat 1.5 {\rm m/s} while the ship ismoving ahead at 8.5 {\rm m/s}. What is the speed of the jogger relative to the water?
A plane is flying southeast at 200 km/h. suddenly, What is the plane's new velocity with respect to the ground in standard postion
A beam of polarized light with an average intensity of 14.8 W/m2 is sent through a polarizer. Thetransmission axis makes an angle of 26° with respect to the direction of polarization. Determine the rms value of the electric field of the transmitted..
A three-step cycle is undergone by 3.4 mol of an ideal diatomic gas: the temperature of the gas is increased from 210 K to 400 K at constanr volume, What is the efficiency of the cycle
YOu would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. What is the height of the arrow once it traveled the 55 m horizontally
A charge q = -6.0 µC is moved 0.25 m horizontally to point P in a region where an electric field is 250 V/m directed vertically, as shown. What is the change in the electric potential energy of the charge?
A package is dropped from a passing plane (moving in the horizantal direction) and produces a projectile motion as it is falling to the ground. If it takes the package only 32.12 seconds until it hits the ground, how far above the ground was the plan..
A person whose eyes are H = 1.64 m above the floor stands L = 2.3 m in front of a vertical plane mirror whose bottom edge is 38 cm above the floor. What is the horizontal distance x to the base of the wall supporting the mirror of the nearest point o..
Calculate the density of the liquid if an aluminum ball with mass of m1 = 4.10kg has an apparent mass of m2 = 1.90kg
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