Answer to Question #156158 in Physics for Jane

Question

This question concerns the measurement of viscosity of a liquid using the falling ball method.

a) Using a graduated syringe I found that 20 droplets was 0.89 ml

(don’t forget that one ml is equivalent to 1 cm3). Calculate the radius of one drop, expressing your answer in m. (3 marks)

b) I found that 50 ml of the oil I used had a mass of 46.34 g. Calculate the density of the oil in kg m-3. (2 marks)

Answer 1

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