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Physics Examples

$w = m \cdot g$

$w$	$=$	$?$
$m$	$=$	$10 kg$
$g$	$=$	$9.81 \frac{m}{s^{2}}$

Step 1

Substitute the given values into

$w = m \cdot g$ .

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Step 1.1

Substitute

$10 kg$ for

$m$ .

$w = 10 kg \cdot g$

Step 1.2

Substitute

$9.81 \frac{m}{s^{2}}$ for

$g$ .

$w = 10 kg \cdot (9.81 \frac{m}{s^{2}})$

$w = 10.0 kg \cdot (9.81 \frac{m}{s^{2}})$

Step 2

Simplify the right side.

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Step 2.1

Combine fractions.

$w = 98.100 kg \frac{m}{s^{2}}$

Step 2.2

Combine

$98.100 kg$ and

$\frac{m}{s^{2}}$ .

$w = 98.100 \frac{kg m}{s^{2}}$

Step 2.3

Rewrite

$\frac{kg m}{s^{2}}$ as

$N$ .

$w = 98.100 N$

$w = 98.100 N$

Step 3

Round to

$3$ significant figures.

$w = 98.1 N$

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$