In a viscosity experiment the graph of a² (a = radius of the ball) against terminal velocity v has a slope of 4.03 × 10⁻⁶ m s. Find the coefficient of viscosity η if the density of the ball is 7800 kg m⁻³, the density of the liquid is 1260 kg m⁻³ and g = 9.81 m s⁻².

University of Ilorin PHY107 2026-exam past question

1. 0.057 Pa·s
2. 0.57 Pa·s
3. 0.032 Pa·s
4. 0.35 Pa·s

Register free to see the answer and step-by-step explanation

More University of Ilorin PHY107 2026-exam past questions

Related questions

• The reading of the diameter of an object in the diagram above is shown. Find the volume of the sphere.
• Identify where the arrow is pointing on the main scale (see figure).
• The zero error in the diagram above is?
• The Vernier caliper in the figure reads:
• The simple pendulum is an example of
• If Y = mX, the characteristic of the graph is