# Use Your Calculator To Evaluate A¯=−3.7meter/second−13.9meter/second21.4second−7.2second.

• Puzzle

In order to evaluate your sprint speed, you must use a calculator. There are several free ones available at your local library or online at http://www.calculator.com//. Most of them have features for evaluating distance and speed, making it easy to do this evaluation!

Sprint speed is a critical component of fitness training during running and training. Running is a sport that can change from day to day, season to season, and year to year due to weather conditions and competition.

Competition can bring significant changes in fitness levels, making it important to train your sprint speed. Averages are not the best way to evaluate your sprint speed as there may be variables involved. Only use the average when there is no better way to evaluate your running speed.

## Put A−3.7 into the denominator

Now use your calculator to evaluate the velocity of the space shuttle at t=2.7 seconds.

The velocity of the shuttle at that time was 2.7 meters per second (6.22 feet per second).

Your bullet point states that 21.4 seconds passed between the time you calculated A−3.7 and the time you calculated A+. Make a note of this number to use in the future.

This is called a timing error, and it occurs whenever you do an evaluation using your calculator. When you do this, your total time must be subtracted from the actual amount of time that happened!

Use a calculator with as few timing errors as possible, so that you can evaluate A−3.7 or A+3.8 with confidence.

## Put −13.9 into the numerator

This is a metric speed, not a standard speed. A standard speed is about 1 meter per second. A standard speed for this length of cable is about 1 meter per second.

To evaluate the length of cable needed to transmit your signal, use your standard speed to put an end to the other end of the cable. If you need longer cable, then buy more!

Use your −13.9 meter/second as the denominator in your calculator to determine how many meters per second you need to buy to get the same length of time-division multi-access (TDMA) cable.

This can help save money in the long run, since you do not spend more money buying extra cables.

## Put 21.4 into the numerator

Whencalculating youra¯s, remember that your s¯re is referring to length in meters, not feet.

For example, closing your hand into a tighter or wider shape would yield a different s¯re than holding it steady. A small change inlengthcould lead to a large a¯s value!

As mentioned before, there are two ways to evaluate the value of an a¯s: using a calculator and using an a‑to‑a¯s value. Using the calculator method, we will evaluate the value of 33 as being equal to −3.7meter/second−13.9meter/second−21.4second−7.2second.

Using an a‑to‑a ¯s value, we will compare 21.4 seconds to 13.9 meters/second+1 meter/second+1 second+7.

## Put 7.2 into the numerator

While doing a short, intense workout, it can be tempting to forget about your partner. You can let your partner pull you off balance, making you look quick and efficient.

That same speed of thought can also help you get too aggressive with your workout. If you feel more dominant while in the mirror working out, then by all means, feel yourself!

However, if you notice your partner looking more efficient in the mirror, then it is time to consider what you are giving out on the other side. You both may be working hard, but you are both using too much energy– mentally and physically.

This is a problem that requires attention on your side.

## Combine like terms

When working with very small quantities, such as a single molecule or particle, it is important to consider the like terms.

Like terms represent two or more molecules that are together at the same time. For example, when discussing how quickly a molecule moves, we must consider like terms such as its wavelength, how fast that movement is, and whether it is in a liquid or solid state.

Using your calculator, evaluate the like terms for A in the above equation. Like terms suggest that A may be associated with B at the same time and in the same place. If you agree that B may be liquid or solid A, then use those conditions for evaluating A’s like term.

Using your knowledge of B’s state and movement, evaluate whether B may be slow or fast.