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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 ball is thrown horizontally with a speed of 10.0m/s, from the edge of the top of a building of height 19.6m, What is the vertical component of the velocity just before the ball strikes the ground
The distance between the electron and proton in a hydrogen atom is 5.3 x10-11 m. Find the speed of the electron as it orbits the proton
A 330-g air track cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 5.00 x 10-6 kg?m2 and a radius of 1.35 cm. Write Newton's second law equation for each of the three objects
The power required by an ice maker is 225 W and is the rate at which it does work. The ice maker operates like a refrigerator or an air conditioner and has a coefficient of performance of 3.60.
a body has a mass of 2000 kg. determine the weight of the body expressed in n if it is a located on the surface of the
a cylinder-shaped carbon resistor is 8 em in length and its circular cross section has a diameter d 1 mm. a determine
A swift blow with the hand can break a pine board. As the hand hits the board, the kinetic energy of the hand is transformed into elastic potential energy of the bending board; if the board bends far enough, it breaks. what is the average force on..
a telephoto camera lens with focal length f 300 mm and a maximum aperture f2.8 takes a picture of two red 630 nm led
A model rocket is fired vertically from rest. It has a net acceleration of 17.0 m/s2. How long after liftoff does the rocket return to the ground
A charged particle moves through a velocity selector at a constant speed in a straight line, Find the charge-to-mass ratio of the particle
q1. after a tornado a 0.60 straw was found embedded 2.7 into the trunk of a tree. if the average force exerted on the
When subject to a steady acceleration of 0.500 g the object must be located 0.350 cm from its equilibrium position. Find out the force constant required for the spring.
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