What is the average power output of the heart

Assignment Help Physics
Reference no: EM13537239

A healthy heart pumps about 70 ml of blood in one heart beat. The average pressure exerted is about 100 mm-Hg and there are 70 heartbeats in a minute.

(a) What is the average power output of the heart?

(b) Typical granulated sugar carries nutritional energy of about 387 kcal (1619 kJ) per 100 g. How much sugar does one have to consume per day to supply the energy for pumping blood?

Reference no: EM13537239

Questions Cloud

Magnetic resonance imaging needs a magnetic field strength : Magnetic resonance imaging needs a magnetic field strength of 1.5 T. The solenoid is 1.8 m long and 75 cm in diameter. It is tightly wound with a single layer of 1.70-mm-diameter superconducting wire.
What is the change in the primary current : During a 75-ms interval, a change in the current in a primary coil occurs. This change leads to the appearance of a 6.3-mA current in a nearby secondary coil. What is the change in the primary current
Define the balanced net ionic equation of agno3 and nai : When agueous solutios of AgNO3 and NaI are mixed,AgI precipitates. What is the balanced net ionic equation
Calculate the distance between the impact points : A mass spectrometer is used to examine the isotopes of uranium. What is the distance between the impact points
What is the average power output of the heart : A healthy heart pumps about 70 ml of blood in one heart beat. The average pressure exerted is about 100 mm-Hg and there are 70 heartbeats in a minute.
Define what is the volume of the container : To measure the volume of an irregularly shaped container filled with water, 1.00 ml of 2.00 M potassium chloride solution is added. After stirring, a 5.00 ml sample was found to contain 2.54x 10^-2 mg of potassium ion. What is the volume of the co..
Compute the area of the first surface : Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.38 T. Determine the area of the first surface
Pressure and volume of a monatomic ideal gas : Is it possible for both the pressure and volume of a monatomic ideal gas to change without causing the internal energy of the gas to change?
Explain the average molar concentration of gold in seawater : About 6 x 10^9 g of gold is thought to be dissolved in the oceans of the world. If the total volume of the oceans is 1.5 x 10^21 L, What is the average molar concentration of gold in seawater

Reviews

Write a Review

Physics Questions & Answers

  What is the maximum weight of nitrogen

A cylindrical vessel 16 feet in diameter and 15 in height is constructed to withstand a maximum internalpressure of 500 psia. What is the maximum weight of nitrogen

  Find the direction of the magnetic field created directly

A long straight wire is aligned north-south and carries current in the northerly direction. What is the direction of the magnetic field created directly above the wire

  Question1two long insulated wires lie in the identical

question1two long insulated wires lie in the identical horizontal plane. a current of i 17.0 a flows toward the north

  At what angle do the second bright spots occur

When laser light of wavelength 633.3nm passes through a diffraction grating. thef irst bright spots occur at +- 18.4 degree from the central maximum, At what angle do the second bright spots occur

  Calculate the wavelength of matter waves associated with a

calculate the wavelength of matter waves associated with a bullet of 20.0 grams fired at 100. meters per second.x 10

  What is the minimum safe distance

You are driving just behind a second car and both of you are moving at a speed 58mi/h. What is the minimum safe distance

  What is the density of the enlarged sphere

A hollow sphere of negligible mass and radius R is completely filled with a liquid so that it's density is p. What is the density of the enlarged sphere

  What fraction is this force of the satellites weight

A 2920 kg satellite used in a cellular telephone network is in a circular orbit at a height of 800 km above the surface of the earth. What fraction is this force of the satellite's weight at the surface of the earth

  Sketch the vector on a right-handed coordinate system

A 4.5kg dog stands on an 18 kg flatboat at distance D = 6.10m from the shore. It walks 2.4 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore.

  What is the change in velocity

A. how much time does the car take to travel between the two points? B. what is the displacement between the starting and ending points? C. what is the average velocity? D. What is the change in velocity? What is the average (vector) acceleration?

  The electron drops back to the ground state

If the electron drops back to the ground state, will a photon be emitted? If yes, what would be the energy or wavelength of the emitted photon compared to that of the absorbed photon?

  Find at what speed will she arrive at the top of lower peak

Two snowy peaks are 996 m and 896 m above the valley between them. A ski run extends down from the top of the higher peak and then back up to the top of the lower one, At what speed will she arrive at the top of the lower peak

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd