146533 A piece of metal weighs $45 \mathrm{~g}$ in air and $25 \mathrm{~g}$ in a liquid of density $1.5 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3} \mathrm{kept}$ at $30^{\circ} \mathrm{C}$. When the temperature of the liquid is raised to $40^{\circ} \mathrm{C}$, the metal piece weights $27 \mathrm{~g}$. The density of liquid of $40^{\circ} \mathrm{C}$ is $1.25 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3}$, the coefficient of linear expansion of metal is

146534 A metal rod of length $L$ and cross-sectional area $A$ is heated through $T^{0} C$. What is the force required to prevent the expansion of the rod lengthwise ?
( $Y$ = Young's modulus of material of the rod, $\alpha$ = coefficient of linear expansion of the rod).

146535 A hole is drilled in a copper sheet. The diameter of the hole is $4.24 \mathrm{~cm}$ at $27.0^{\circ} \mathrm{C}$. What is the change in the diameter of the hole when the sheet is heated to $227^{\circ} \mathrm{C}$ ? Coefficient of linear expansion of copper $=1.70 \times 10^{-5} \mathrm{~K}^{-1}$

146536 A brass rod of length $50 \mathrm{~cm}$ and diameter 3.0 $\mathrm{mm}$ is joined to a steel rod of the same length and diameter. What is the change in length of the combined rod at $250^{\circ} \mathrm{C}$, if the original lengths are at $40.0^{\circ} \mathrm{C}$ ? (coefficient of linear expansion of brass $=2.0 \times 10^{-5} \mathrm{~K}^{-1}$, steel $=$ $1.2 \times 10^{-5} \mathrm{~K}^{-1}$ )

146537 The coefficient of volume expansion of glycerin is $49 \times 10^{-5} \mathrm{~K}^{-1}$. What is the fractional change in its density for $\mathrm{ar}^{\circ} \mathrm{C}$ rise in temperature?

146533 A piece of metal weighs $45 \mathrm{~g}$ in air and $25 \mathrm{~g}$ in a liquid of density $1.5 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3} \mathrm{kept}$ at $30^{\circ} \mathrm{C}$. When the temperature of the liquid is raised to $40^{\circ} \mathrm{C}$, the metal piece weights $27 \mathrm{~g}$. The density of liquid of $40^{\circ} \mathrm{C}$ is $1.25 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3}$, the coefficient of linear expansion of metal is

146534 A metal rod of length $L$ and cross-sectional area $A$ is heated through $T^{0} C$. What is the force required to prevent the expansion of the rod lengthwise ?
( $Y$ = Young's modulus of material of the rod, $\alpha$ = coefficient of linear expansion of the rod).

146535 A hole is drilled in a copper sheet. The diameter of the hole is $4.24 \mathrm{~cm}$ at $27.0^{\circ} \mathrm{C}$. What is the change in the diameter of the hole when the sheet is heated to $227^{\circ} \mathrm{C}$ ? Coefficient of linear expansion of copper $=1.70 \times 10^{-5} \mathrm{~K}^{-1}$

146536 A brass rod of length $50 \mathrm{~cm}$ and diameter 3.0 $\mathrm{mm}$ is joined to a steel rod of the same length and diameter. What is the change in length of the combined rod at $250^{\circ} \mathrm{C}$, if the original lengths are at $40.0^{\circ} \mathrm{C}$ ? (coefficient of linear expansion of brass $=2.0 \times 10^{-5} \mathrm{~K}^{-1}$, steel $=$ $1.2 \times 10^{-5} \mathrm{~K}^{-1}$ )

146537 The coefficient of volume expansion of glycerin is $49 \times 10^{-5} \mathrm{~K}^{-1}$. What is the fractional change in its density for $\mathrm{ar}^{\circ} \mathrm{C}$ rise in temperature?

146533 A piece of metal weighs $45 \mathrm{~g}$ in air and $25 \mathrm{~g}$ in a liquid of density $1.5 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3} \mathrm{kept}$ at $30^{\circ} \mathrm{C}$. When the temperature of the liquid is raised to $40^{\circ} \mathrm{C}$, the metal piece weights $27 \mathrm{~g}$. The density of liquid of $40^{\circ} \mathrm{C}$ is $1.25 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3}$, the coefficient of linear expansion of metal is

146534 A metal rod of length $L$ and cross-sectional area $A$ is heated through $T^{0} C$. What is the force required to prevent the expansion of the rod lengthwise ?
( $Y$ = Young's modulus of material of the rod, $\alpha$ = coefficient of linear expansion of the rod).

146535 A hole is drilled in a copper sheet. The diameter of the hole is $4.24 \mathrm{~cm}$ at $27.0^{\circ} \mathrm{C}$. What is the change in the diameter of the hole when the sheet is heated to $227^{\circ} \mathrm{C}$ ? Coefficient of linear expansion of copper $=1.70 \times 10^{-5} \mathrm{~K}^{-1}$

146536 A brass rod of length $50 \mathrm{~cm}$ and diameter 3.0 $\mathrm{mm}$ is joined to a steel rod of the same length and diameter. What is the change in length of the combined rod at $250^{\circ} \mathrm{C}$, if the original lengths are at $40.0^{\circ} \mathrm{C}$ ? (coefficient of linear expansion of brass $=2.0 \times 10^{-5} \mathrm{~K}^{-1}$, steel $=$ $1.2 \times 10^{-5} \mathrm{~K}^{-1}$ )

146537 The coefficient of volume expansion of glycerin is $49 \times 10^{-5} \mathrm{~K}^{-1}$. What is the fractional change in its density for $\mathrm{ar}^{\circ} \mathrm{C}$ rise in temperature?

146533 A piece of metal weighs $45 \mathrm{~g}$ in air and $25 \mathrm{~g}$ in a liquid of density $1.5 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3} \mathrm{kept}$ at $30^{\circ} \mathrm{C}$. When the temperature of the liquid is raised to $40^{\circ} \mathrm{C}$, the metal piece weights $27 \mathrm{~g}$. The density of liquid of $40^{\circ} \mathrm{C}$ is $1.25 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3}$, the coefficient of linear expansion of metal is

146534 A metal rod of length $L$ and cross-sectional area $A$ is heated through $T^{0} C$. What is the force required to prevent the expansion of the rod lengthwise ?
( $Y$ = Young's modulus of material of the rod, $\alpha$ = coefficient of linear expansion of the rod).

146535 A hole is drilled in a copper sheet. The diameter of the hole is $4.24 \mathrm{~cm}$ at $27.0^{\circ} \mathrm{C}$. What is the change in the diameter of the hole when the sheet is heated to $227^{\circ} \mathrm{C}$ ? Coefficient of linear expansion of copper $=1.70 \times 10^{-5} \mathrm{~K}^{-1}$

146536 A brass rod of length $50 \mathrm{~cm}$ and diameter 3.0 $\mathrm{mm}$ is joined to a steel rod of the same length and diameter. What is the change in length of the combined rod at $250^{\circ} \mathrm{C}$, if the original lengths are at $40.0^{\circ} \mathrm{C}$ ? (coefficient of linear expansion of brass $=2.0 \times 10^{-5} \mathrm{~K}^{-1}$, steel $=$ $1.2 \times 10^{-5} \mathrm{~K}^{-1}$ )

146537 The coefficient of volume expansion of glycerin is $49 \times 10^{-5} \mathrm{~K}^{-1}$. What is the fractional change in its density for $\mathrm{ar}^{\circ} \mathrm{C}$ rise in temperature?

146533 A piece of metal weighs $45 \mathrm{~g}$ in air and $25 \mathrm{~g}$ in a liquid of density $1.5 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3} \mathrm{kept}$ at $30^{\circ} \mathrm{C}$. When the temperature of the liquid is raised to $40^{\circ} \mathrm{C}$, the metal piece weights $27 \mathrm{~g}$. The density of liquid of $40^{\circ} \mathrm{C}$ is $1.25 \times 10^{3} \mathrm{~kg}-\mathrm{m}^{-3}$, the coefficient of linear expansion of metal is

146534 A metal rod of length $L$ and cross-sectional area $A$ is heated through $T^{0} C$. What is the force required to prevent the expansion of the rod lengthwise ?
( $Y$ = Young's modulus of material of the rod, $\alpha$ = coefficient of linear expansion of the rod).

146535 A hole is drilled in a copper sheet. The diameter of the hole is $4.24 \mathrm{~cm}$ at $27.0^{\circ} \mathrm{C}$. What is the change in the diameter of the hole when the sheet is heated to $227^{\circ} \mathrm{C}$ ? Coefficient of linear expansion of copper $=1.70 \times 10^{-5} \mathrm{~K}^{-1}$

146536 A brass rod of length $50 \mathrm{~cm}$ and diameter 3.0 $\mathrm{mm}$ is joined to a steel rod of the same length and diameter. What is the change in length of the combined rod at $250^{\circ} \mathrm{C}$, if the original lengths are at $40.0^{\circ} \mathrm{C}$ ? (coefficient of linear expansion of brass $=2.0 \times 10^{-5} \mathrm{~K}^{-1}$, steel $=$ $1.2 \times 10^{-5} \mathrm{~K}^{-1}$ )

146537 The coefficient of volume expansion of glycerin is $49 \times 10^{-5} \mathrm{~K}^{-1}$. What is the fractional change in its density for $\mathrm{ar}^{\circ} \mathrm{C}$ rise in temperature?