Find the net lose of radiant power from the body

Assignment Help Physics
Reference no: EM13535689

Suppose the skin temperature of a naked person is 35 C when the person is standing inside a room whose temperature is 22 C. The surface area of the individual is 1.5m2.

a. Assuming the emissivity is 0.75, find the net lose of radiant power from the body.

b. Determine the food calories of food calories that are lost that are lost in 1 hour due to the net lose rate obtained in part (a).

Reference no: EM13535689

Questions Cloud

Talking about a scanning tunnelling microscopy : In the example a sharp metallic tip is held just above a conducting surface with a voltage between the tip and the surface with a current flowing. How would the current vary with the separation between tip and sample (just the functional variation..
Lengths of the rods measured by someone in frame k : Frames k and k' are inertial frames. Frame k' is moving at a velocity of magnitude v realtive to frame k in the direction of the x-axis. there are rigid rods in each frame oriented along the direction of the relative velocity. someone in frame k meas..
Particle in the ground state of the harmonic oscillator : Consider a particle in the ground state of the harmonic oscillator. Obtain the wavefunction in momentum space. Calculate the probability of ending the particle between x = 0 and x = 2*(2h/(m?))^1/2 in two ways: using the real space wavefunction and ..
What is the magnitude and direction of the third force : An object in equilibrimhas three forces exerted on it. A 33N force acts at 90 degrees and a 44N force acts at 60 degrees. What is the magnitude and direction of the third force?
Find the net lose of radiant power from the body : Suppose the skin temperature of a naked person is 35 C when the person is standing inside a room whose temperature is 22 C. The surface area of the individual is 1.5m2.
What is the minimum charge needed to start the beads moving : Two cylindrical glass beads each of mass m = 32 mg are set on their flat ends on a horizontal insulating surface separated by a distance d = 3 cm. The coefficient of static friction between the beads and the surface is μs = 0.3. The beads are then gi..
Magnitude of fixed charge as multiple of electrons charge : Four point charges, q, are fixed to the four corners of a square that is 11.2 cm on a side. An electron is suspended above a point at which its weight is balanced by the electrostatic force due to the four point charges, at a distance of 11 nm abo..
Enter the magnitude of the force : Two charged objects experience a mutual repulsive force of 0.71 N. If the charge of one of the objects is reduced by half and the distance separating the objects is quadrupled, what is the new force? (Enter the magnitude of the force.)
Specific volume of liquid water : Liquid water at 25C and 1 bar fills a rigid vessel If heat is added to the water until it's temperature reaches 50C, what pressure is developed? The average value of B between 25 and 50C is 36.2x10^-5/K. The value of K at 1 bar and 50C is 4.42x10^-5/..

Reviews

Write a Review

Physics Questions & Answers

  Compute the period of the planets rotation

A newly discovered planet has a mean radius of 2020 km. A vehicle on the planet\'s surface is moving in the same direction as the planet\'s rotation, what is the period of the planet\'s rotation

  Estimate the frequency and the period of the motion

the position of a particle is given by the expression x=4cos(3pt+p), where x is in meters and t is in seconds. estimate the frequency and the period of the motion

  Find the time the projectile is in the air

A projectile is shot on level ground with a horizontal velocity of 18 m/s and a vertical velocity of 41 m/s, Find the time the projectile is in the air. The acceleration due to gravity is 9.8 m/s2

  What is the y-component of force

Object A, which has been charged to + 29.2 nC, is at the origin. Object B, which has been charged to - 28.9 nC, is at ( x,y ) = ( 0.0;{rm cm},; 1.50 cm ).What is the y-component of force (vec{F}_{rm A ; on ; B})_{rm y} on B due to A.

  How fast would car need to be going to have change in freq

At very fast car races the sound of the engine as a car approaches is much different than when it passes you. How fast would the car need to be going to have the change in frequency be one octave

  What is the displacement current as a function of time

A capacitor has a capacitance of 250 nF and a voltage is placed across it which grows as a function of time as: V(t) = 240 mV/s3 × t3

  What distance will it travel up the slope

A 70 g ice cube can slide without friction up and down a 30° slope. The ice cube is pressed against a spring at the bottom of the slope, what distance will it travel up the slope

  Find the angular velocity of the door

A door with width L = 1.0 m and mass M = 15 kg is hinged on one side so that it can rotate freely. What is the angular velocity of the door with respect to the hinge just after the bullets embeds itself in the door

  Find the first piston''s area

The frequency of a tuning fork is 358 Hz. Find the length of the shortest organ pipe which will give 6 beats/s with the fork. The velocity of sound in air is 339.1 m/s.

  Determine how far down must you push the piston

The cylinder of a bicycle pump has an interior diameter of 2.0 cm and a length of 40 cm. How far down (in cm) must you push the piston before air begins flowing into the tire

  Illustrate what is the speed of the resulting ball of clay

A 50.0 ball of clay traveling east at 8.00 collides and sticks together with a 40.0 ball of clay traveling north at 8.00. Illustrate what is the speed of the resulting ball of clay?

  State the force of friction applied to the block

A 5.080 kg block of wood rests on a steel desk, State the force of friction applied to the block by the table at the following times: t=0 and t>0

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