Find what is the net flow rate of energy out of the sphere

Assignment Help Physics
Reference no: EM13653924

How much power is radiated by a tungsten sphere (emissivitye=0.35) of radius 21 cm at a temperature of 22 C?

in W?

If the sphere is enclosed in a room whose walls are kept at-5C, what is the net flow rate of energy out of the sphere?

in W?

Reference no: EM13653924

Questions Cloud

Explain the enthalpy of a solution of kbr in water : The enthalpy of a solution of KBr in water is about +198 kJ/mol. Nevertheless, the solubility of KBr in water is relatively high. Why does the solution process occur even though it is endothermic
Estimate what is the angular velocity of the rotating : a thin rod is rotating at anangular velocity of 7.0rad/sec about an x axis that isperpendicular to the rod at its center, What is the angular velocity of the rotating u
In a football game a receiver is standing still : In a football game, a receiver is standing still, having justcaught a pass. Before he can move, a tackler, running at a velocityof +3.77 m/s, grabs him. The tackler holds onto the receiver, andthe two move off together with a velocity of +1.64 m/s. T..
Find out the term symbols electronic configuration : Determine the term symbols for a 4s13d1 electronic configuration. Which is the ground state term
Find what is the net flow rate of energy out of the sphere : If the sphere is enclosed in a room whose walls are kept at-5C, what is the net flow rate of energy out of the sphere
Explain the reaction with hso3nh2 with naoh : Sulfamic acid (HSO3NH2,97.10 g/mol) is a primary acid that can be used instead of KHP, the reaction with HSO3NH2 with NaOh is as follows HSO3NH2(aq)+NaOH->NaSO3NH2(aq)+H2O(l)
A convex lens is held over a piece of paper outdoors : A convex lens is held over a piece of paper outdoors on asunny day. When the paper is held 30 {\rm cm} below the lens, the sunlight is focused on the paper and the paper ignites
Find the vertical force exerted on the beam by the pole : A 22.0 kg floodlight in a park issupported at the end of a horizontal beam of negligible mass thatis hinged to a pole. Find the vertical force exerted on the beam by the pole
Direction of the incoming ball as the positive direction : A baseball (m = 155 g) approaches a bat horizontally ata speed of 39.1 m/s (87.5 mi/h) and is hit straight back at a speedof 48.6 m/s (109 mi/h). If the ball is in contact with the bat fora time of 1.93 ms, what is the average force exerted on the..

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

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