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Chapter 1: Q. 24 (page 29)

Convert the following to SI units:

a. 8.0in b.66ft/s

c. role="math" localid="1648656441116" 60mph d. role="math" localid="1648656467276" 14in2

Short Answer

Expert verified

a. 0.20m b. 20.12m/s

c. 26.82m/s d.9.0脳10-3m2

Step by step solution

01

Part a Step 1: Introduction

The given digit 8.0inshould be converted into the unit meter(m)that is the SI unit of length.

Now,role="math" localid="1648657437480" 1in=2.54m

02

Conversion of the given digit

The conversion of into meteris,

8in脳2.54cm1in脳10-2m1cm=0.20m

03

Part b Step 1: Introduction

The given digit should be converted from ft/sto m/s(SI unit of speed)

Now,1ft=12inand1m=39.37in

04

Conversion of the unit

The conversion of ft/sto m/sis,

66ft/s=66ft1s脳12in1ft脳1m39.37in=20.12m/s

05

Part c Step 1: Introduction

The unit mphshould be converted into m/s.

Now,1mile=1.609km

06

Conversion of unit

Converting the unit mphto m/swe get,

role="math" localid="1648659834859" 60mph=60miles1hour脳1.609km1mile脳103m1km脳1hour3600s60mph=26.82m/s

07

Part d; Step 1: Introduction

The unit inch2should be converted into m2.

Now,1m=39.37inch

08

Conversion of units

Converting the unit in2to meter.

14in2=14inch2脳1m39.37inches214in2=9.0脳10-3m2

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