Question 3

A parachute attains a terminal velocity when

  • A.its density is equal to the density of air
  • B.the viscous force of air and upthrust completely counteract its weight
  • C.it expands as a result of reduced external pressure
  • D.the viscous force of the air is equal to the sum of the weight and upthrust
Objective

Question details

Exam body
UNN
Subject
Physics
Year
2006/2007 Day 1
Question no.
#3
Type
Objective

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