Back to 6.4 Drag Force and Terminal Speed

6.4 Exercise 19

Avg difficulty 2.5

A 75.0-kg woman stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in 2.00 s. (a) Calculate the scale reading in newtons and compare it with her weight. (The scale exerts an upward force on her equal to its reading.) (b) What is unreasonable about the result? (c) Which premise is unreasonable, or which premises are inconsistent?

OpenStax University Physics Volume 1, 6.4 Drag Force and Terminal Speed, exercise 19

AI Tutor