Calculate kinetic energy of the steel balls (Nm) Mass of one steel ball: 535 grams

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Now, can we determine the size of the hole created by the impact of the two steel balls? Use the following steps to calculate the
size of the hole created by the heat generated from the impact of the two steel balls.
Estimate the speed of a steel ball in m/s (as shown in the video)
3 m/s
Calculate kinetic energy of the steel balls (Nm)
calculate
Mass of one steel ball: 535 grams
Determine the heat energy due to the steel balls (Nm)
Remember the First Law of Thermodynamics
calculate
The ignition temperature of paper is 451°F
calculate
Convert the ignition temperature into Celsius
Calculate the change in temperature in Celsius
calculate
Estimate the starting temperature to be 22 °C.
Calculate the mass of paper that could reach ignition temperature (grams)
calculate
Срарег
= 0.33 cal/g°C
Calculate the area of a piece of paper that could reach ignition temperature (inches?)
calculate
The mass of an 8.5"x11" paper is 4.5 grams
Transcribed Image Text:Now, can we determine the size of the hole created by the impact of the two steel balls? Use the following steps to calculate the size of the hole created by the heat generated from the impact of the two steel balls. Estimate the speed of a steel ball in m/s (as shown in the video) 3 m/s Calculate kinetic energy of the steel balls (Nm) calculate Mass of one steel ball: 535 grams Determine the heat energy due to the steel balls (Nm) Remember the First Law of Thermodynamics calculate The ignition temperature of paper is 451°F calculate Convert the ignition temperature into Celsius Calculate the change in temperature in Celsius calculate Estimate the starting temperature to be 22 °C. Calculate the mass of paper that could reach ignition temperature (grams) calculate Срарег = 0.33 cal/g°C Calculate the area of a piece of paper that could reach ignition temperature (inches?) calculate The mass of an 8.5"x11" paper is 4.5 grams
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