A certain elevator cab has a total run of 197 m and a maximum speed is 313 m/min, and it accelerates from rest and then back to rest at 1.11 m/s². (a) How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make the nonstop 197 mrun, starting and ending at rest?

A certain elevator cab has a total run of 197 m and a maximum speed is 313 m/min, and it accelerates from rest and then back to rest at 1.11 m/s². (a) How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make the nonstop 197 mrun, starting and ending at rest?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section6.3: Relative Velocity

Problem 27PP

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

A certain elevator cab has a total run of 197 m and a maximum speed is 313 m/min, and it accelerates from rest and then back to rest at
1.11 m/s². (a) How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make the nonstop 197
mrun, starting and ending at rest?
(a) Number
(b) Number
H
Units m
Units

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Step 2: Calculation for distance traveled by vehicle when it accelerated from rest to full speed.

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Step 3: Calculation for time taken by vehicle to reach the maximum speed from rest.

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Step 4: Calculation for distance and time taken by vehicle during de-accelerated motion.

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Step 5: Calculation for total time taken by vehicle during the entire motion.

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