1
v_{\mathrm{avg}}=\frac{\text{total displacement}}{\text{total time}}
2
\frac{\mathrm{C}}{5}=\frac{\mathrm{F}-32}{9}
FORMULA CHAPTER
Chapter 06 – Heat and Energy
ICSEClass 09Physics2 formulas
Revise ICSE Class 9 Chapter 06 formulas for temperature conversion, heat transfer, thermal energy, work, power and energy efficiency.
View
Average Velocity
v_{\mathrm{avg}}=\frac{\text{total displacement}}{\text{total time}}
Worked example
Given: Total displacement = 40 m east; total time = 10 s Calculation: Average velocity = 40/10 Answer: Average velocity = 4 m/s east
Celsius–Fahrenheit Relation
\frac{\mathrm{C}}{5}=\frac{\mathrm{F}-32}{9}
Worked example
Given: C = 20°C Calculation: 20/5 = (F−32)/9 Answer: F = 68°F