$\"\"$

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(a)

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Find angular speedof the blade.

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Blade diameter $\"\"$ .

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Motor speed $\"\"$ .

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Angular speed of the blade is $\"\"$ .

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Number of rotation in revolutions of the blade per second is $\"\"$ rps.

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Angle of each rotation of blade is $\"\"$ .

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Angle of $\"\"$ rotations is $\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ .

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Angular speed of the blade is $\"\"$ .

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Find linear speed of the blade.

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Blade diameter $\"\"$ .

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Radius $\"\"$ .

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The linear speed is $\"\"$ .

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Substitute $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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Linear speed of the blade is $\"\"$ .

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$\"\"$

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Find angular speed of the blade.

\

Blade diameter $\"\"$ .

\

Motor speed $\"\"$ .

\

Angular speed of the blade is $\"\"$ .

\

Number of rotation in revolutions of the blade per second is $\"\"$ rps.

\

Angle of each rotation of blade is $\"\"$ .

\

Angle of $\"\"$ rotations is $\"\"$ .

\

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

Angular speed of the blade is $\"\"$ .

\

Find linear speed of the blade.

\

Blade diameter $\"\"$ .

\

Radius $\"\"$ .

\

The linear speed is $\"\"$ .

\

Substitute $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

Linear speed of the blade is $\"\"$ .

\

$\"\"$

\

Find angular speed of the blade.

\

Blade diameter $\"\"$ .

\

Motor speed $\"\"$ .

\

Angular speed of the blade is $\"\"$ .

\

Number of rotation in revolutions of the blade per second is $\"\"$ .

\

Angle of each rotation of blade is $\"\"$ .

\

Angle of $\"\"$ rotations is $\"\"$ .

\

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

Angular speed of the blade is $\"\"$ .

\

Find linear speed of the blade.

\

Blade diameter $\"\"$ .

\

$\"\"$

\

Radius $\"\"$ .

\

The linear speed is $\"\"$ .

\

Substitute $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

Linear speed of the blade is $\"\"$ .

\

$\"\"$

\

Find angular speed of the blade.

\

Blade diameter $\"\"$ .

\

Motor speed $\"\"$ .

\

Angular speed of the blade is $\"\"$ .

\

Number of rotation in revolutions of the blade per second is $\"\"$ .

\

Angle of each rotation of blade is $\"\"$ .

\

Angle of $\"\"$ rotations is $\"\"$ .

\

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

Angular speed of the blade is $\"\"$ .

\

Find linear speed of the blade.

\

Blade diameter $\"\"$ .

\

$\"\"$

\

Radius $\"\"$ .

\

The linear speed is $\"\"$ .

\

Substitute $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

Linear speed of the blade is $\"\"$ .

\

$\"\"$

\

Find angular speed of the blade.

\

Blade diameter $\"\"$ .

\

Motor speed $\"\"$ .

\

Angular speed of the blade is $\"\"$ .

\

Number of rotation in revolutions of the blade per second is $\"\"$ .

\

Angle of each rotation of blade is $\"\"$ .

\

Angle of $\"\"$ rotations is $\"\"$ .

\

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

Angular speed of the blade is $\"\"$ .

\

Find linear speed of the blade.

\

Blade diameter $\"\"$ .

\

$\"\"$

\

Radius $\"\"$ .

\

The linear speed is $\"\"$ .

\

Substitute $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

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Linear speed of the blade is $\"\"$ .

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$\"\"$

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(b)

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Linear speed of the $\"\"$ -inch saw is $\"\"$ .

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Linear speed of the $\"\"$ -inch saw is $\"\"$ .

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Speed difference between $\"\"$ -inch saw to $\"\"$ -inch saw is $\"\"$ .

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$\"\"$ -inch saw is $\"\"$ faster than the $\"\"$ -inch saw.

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$\"\"$

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(a)

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Angular speed of the $\"\"$ -inch saw blade is $\"\"$ .

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Linear speed of the $\"\"$ -inch saw blade is $\"\"$ .

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Angular speed of the $\"\"$ -inch saw blade is $\"\"$ .

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Linear speed of the $\"\"$ -inch saw blade is $\"\"$ .

\

Angular speed of the $\"\"$ -inch saw blade is $\"\"$ .

\

Linear speed of the $\"\"$ -inch saw blade is $\"\"$ .

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Angular speed of the $\"\"$ -inch saw blade is $\"\"$ .

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Linear speed of the $\"\"$ -inch saw blade is $\"\"$ .

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Angular speed of the $\"\"$ -inch saw blade is $\"\"$ .

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Linear speed of the $\"\"$ -inch saw blade is $\"\"$ .

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(b)

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$\"\"$ -inch saw is $\"\"$ faster than the $\"\"$ -inch saw.