Properties Of Solids And Liquids Question 242
Question: What is the velocity v of a metallic ball of radius r falling in a tank of liquid at the instant when its acceleration is one-half that of a freely falling body ? (The densities of metal and of liquid are r and s respectively, and the viscosity of the liquid is h).[Kerala PET 2005]
Options:
A)7
B)8
C)9
D)10
Show Answer
Answer:
Correct Answer: D
Solution:
therefore
