Determine the coefficient of viscosity \( \\eta \) given the slope of \( v \) against \( r^2 \) is \( 2.62 \\times 10^7 \), density of the ball \( \\rho_b = 7.8 \\times 10^7 \\, \\text{kg/m}^3 \), density of the liquid \( \\rho_l = 1.26 \\times 10^7 \\, \\text{kg/m}^3 \), and \( g = 10 \\, \\text{m/s}^2 \).
University of Ilorin PHY107 2025 past question
- \( 1.23 \\times 10^7 \\, \\text{Pa·s} \)
- \( 2.62 \\times 10^7 \\, \\text{Pa·s} \)
- \( 5.12 \\times 10^7 \\, \\text{Pa·s} \)
- \( 3.45 \\times 10^7 \\, \\text{Pa·s} \)
Register free to see the answer and step-by-step explanation
More University of Ilorin PHY107 2025 past questions
Related questions
- If the period \( T = 2\\pi \\sqrt{\\frac{u}{C}} \) is quadrupled, what happens to \( T \)?
- For the equation \( T = 2\\pi \\sqrt{\\frac{u}{C}} \), where \( C = \\frac{nmr^2}{2u} \), if the graph of \( \\log T \) is plotted against…
- In the coefficient of viscosity experiment, the slope of the graph of \( v \) against \( r^2 \) represents:
- If the length of the string in a simple pendulum is doubled, the period will:
- An object moves such that its acceleration is directed towards a fixed point \( y \) and is given by:
- Which type of heat transfer does not require a material medium?
