NiyonizeraEmmanuel NiyonizeraEmmanuel

16-07-2024
Engineering

Answered

A copper plate 2 mm thick is heated up to 400C and quenched into water at 30C. Find the time required for the plate to reach the temperature of 50C. Heat transfer co-efficient is 100 W/m2K. Density of copper is 8800 kg/m3. Specific heat of copper = 0.36 kJ/kg K. Plate dimensions = 30  30 cm.

Answer :

Other Questions

john is now three times as old as his brother Sam. In five years, john will be twice as old as Sam will be then. Find their present ages.

Games at the carnival cost $3 dollars each. The prizes awarded to the winners cost the owner $145.65. How many games must be played for the owner of the game to

The combined land area of the countries A and B is14 I, 973 square kilometers. A is larger by 673 kilometers. Determine the land of each country

jen measured the growth of a sunflower in one week it grew 2 and 1 half in in week two it grew 2 and 3 fourth in on week 3 it grew 3 and 1 fourth in how much di

In Romeo and Juliet act 2, scene 2, what does Juliet mean when she says "Too like the lightning, which doth cease to be / Ere one can say 'It lightens"? A. She

What did Tutankhamun (King Tut) do during his reign as Pharaoh?

Muscles in the eye can change shape of the _____.

Which organelle packages and distributes proteins that are received from the endoplasmic reticulum?

Development may be inhibited in command economies because government controls productivity businesses focus on subsistence agriculture businesses prevent specia

The largest time unit in the geologic time scale is the A. period. B. eon. C. era. D. epoch.