What was the rods final cross-sectional area

Reference no: EM13515696

a copper rod had an initial diameter of 4.0 mm and an initial cross-sectional area of (pi)d^2/4=12.6 mm^2. What was the rod's final cross-sectional area if it expanded by .775mm when heated from 23.8degreeC to 99.2degree C.

Reference no: EM13515696

Questions Cloud

Define and complete and balanced net ionic equations : Write complete and balanced net ionic equations for the reaction that occurs between the following pairs of reagents. If no reaction occurs, so state.

Explain lactic acid is made into solution with ph : Lactic acid (abbreviated HL) is made into a 0.100 M solution whose pH = 2.44. What is the ka for HL

How many futures contracts would you buy or sell to do this : Based on your answer to part a, and assuming that the good faith deposit required for each contract is $1500, how much money would the clearinghouse show in your good faith deposit account when the futures price was $0.5812?

Estimate the damping constant : A vertical spring of spring constant 115N/m supports a mass of 75kg. The mass oscillates in a tube of liquid. Estimate the damping constant b

What was the rods final cross-sectional area : a copper rod had an initial diameter of 4.0 mm and an initial cross-sectional area of (pi)d^2/4=12.6 mm^2. What was the rod's final cross-sectional area

Evaluate the sulfide ion concentration : Calculate the sulfide ion concentration in a saturated solution of hydrogen sulfide with a pH of 0.85. Assume that [H2S]=0.10 mol/L in a saturated solution. Write the overall, balanced net ionic equation for the ionization of hydrogen sulfide

Obtain the maximum speed attained by the object : An object with mass 2.7 kg is executing simple harmonic motion, attached to a spring with spring constant k=280N/m. Calculate the maximum speed attained by the object

Define what is the ratio of hco3- to h2co3 : What is the ratio of HCO3- to H2CO3 in an exhausted marathon runner whose blood pH is 7.1? Note: There is no need to consider the Ka2, use only the Ka1.

Explain the normal boiling point of methanol : The normal boiling point of methanol (CH3OH) is 64.7oC, and its molar enthalpy of vaporization is Hvap = 71.8 kJ/mol.

User Account

All Pages