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Chapter 4: Q118P (page 92)

An airport terminal has a moving sidewalk to speed passengers through a long corridor. Larry does not use the moving sidewalk; he takes 150s to walk through the corridor. Curly, who simply stands on the moving sidewalk, covers the same distance in 70s. Moe boards the sidewalk and walks along it. How long does Moe take to move through the corridor? Assume that Larry and Moe walk at the same speed.

Short Answer

Expert verified

Time to move through the corridor is48s

Step by step solution

01

Given information

t1=150st2=70s

02

Determining the concept

Use basic definition of velocity to find the answer of the given problem. Velocity is total displacement divided by time.

Formula:

v=dt (i)

Where, d is total displacements, v is an initial velocity and t is time.

03

Determining the time to move through the corridor

Now,

Using equation (i), the time can be written as,

t1=dv1

and

t2=dv2

Total time T is given as,

T=dV1+V2

Now, plug the values of v1and v2,

T=ddt1+dt2

So,

T=11t1+1t2

T=11150+170

So,T=48s

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