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A pitcher's arm rotates at a speed of 7 degrees per millisecond

((" degrees ")/(ms))". "
At what speed does the pitcher's arm rotate in
(" degrees ")/(s) ?

(" degrees ")/(s)

A pitcher's arm rotates at a speed of $7$ degrees per millisecond $\left(\frac{\text { degrees }}{\mathrm{ms}}\right)$ . $\newline$ At what speed does the pitcher's arm rotate in $\frac{\text { degrees }}{\mathrm{s}}$ ? $\newline$ $\frac{\text { degrees }}{\mathrm{s}}$

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Convert rates and measurements: customary units

Full solution

Q. A pitcher's arm rotates at a speed of

7

degrees per millisecond

\left(\frac{\text { degrees }}{\mathrm{ms}}\right)

.

\newline

At what speed does the pitcher's arm rotate in

\frac{\text { degrees }}{\mathrm{s}}

?

\newline

\frac{\text { degrees }}{\mathrm{s}}

Given speed conversion: We are given the speed of the pitcher's arm rotation in degrees per millisecond, which is $7$ degrees per millisecond. To convert this speed to degrees per second, we need to know how many milliseconds are in one second.
Milliseconds in one second: There are $1000$ milliseconds in one second. Therefore, to convert the speed from degrees per millisecond to degrees per second, we multiply the given speed by $1000$ .
Calculate speed in degrees: Calculating the speed in degrees per second: $7 \, \text{degrees/ms} \times 1000 \, \text{ms/s} = 7000 \, \text{degrees/s}.$
Final speed calculation: The pitcher's arm rotates at a speed of $7000$ degrees per second.

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