Multiple Choice
A small sphere is allowed to fall through air,and when the sphere has a speed of 4.8 × 10-4 m/s,the viscous force on the sphere is 3.0 × 10-15 N.If the viscosity of air is 1.4 × 10-5 N·s/m2,what is the radius of the drop?
A) 2.4E-8 m
B) 8.4E-6 m
C) 2.3E-7 m
D) 8.5E-7 m
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q70: The quantity "strain" expressed in terms of
Q71: The fluid to which Bernoulli's equation is
Q72: Why do vapor bubbles get larger in
Q73: What is the total mass of the
Q74: Which state of matter is associated with
Q76: A solid rock,suspended in air by a
Q77: If the column of mercury in a
Q78: Water (density = 1.00 × 10<sup>3</sup> kg/m<sup>3</sup>)flows
Q79: An ice cube with a small solid
Q80: What volume of water is displaced by