Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed?...
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![Page 1: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/1.jpg)
Speed Calculations
![Page 2: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/2.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
![Page 3: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/3.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
Look for what is given.
![Page 4: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/4.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km
![Page 5: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/5.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min
![Page 6: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/6.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min
What does the problem ask for?
![Page 7: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/7.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min
![Page 8: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/8.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min
What formula will you use to find the answer?
![Page 9: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/9.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min s = d/t
![Page 10: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/10.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min s = d/t
Now, plug in the given values into the formula.
![Page 11: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/11.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min s = d/t s = 10 km / 40 min.
![Page 12: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/12.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min s = d/t s = 10 km / 40 min.
And solve!
![Page 13: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/13.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min s = d/t s = 10 km / 40 min.
s = 0.25 km/min * 60 min. / hr =
![Page 14: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/14.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min s = d/t s = 10 km / 40 min.
s = 0.25 km/min * 60 min. / hr =
Write the answer in the answer section.Do not forget the units!
![Page 15: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/15.jpg)
Speed Calculations
• A cross-country runner runs 10 km in 40 minutes. What is his average speed?
Given FGiven Formula Work Answer
d = 10 km t = 40 min s = d/t s = 10 km / 40 min.
s = 0.25 km/min * 60 min. / hr =15 km/hr
![Page 16: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/16.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
![Page 17: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/17.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
Look for what is given.
![Page 18: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/18.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hr
![Page 19: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/19.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hr
![Page 20: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/20.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
![Page 21: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/21.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
What does the problem ask for?
![Page 22: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/22.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
![Page 23: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/23.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
What formula is required to find the answer?
![Page 24: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/24.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
a=(vf-vi)/t
![Page 25: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/25.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
a=(vf-vi)/t
Now, plug in the values and solve!
![Page 26: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/26.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
a=(vf-vi)/t a=(75 km/hr – 48 km/hr) / 27 hrs
![Page 27: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/27.jpg)
Acceleration Calculations• Calculate the acceleration of an object that
changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.
Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
a=(vf-vi)/t a=(75 km/hr – 48 km/hr) / 27 hrsa= 27km/hr / 27 hr = 1 km/hr2
![Page 28: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/28.jpg)
Acceleration Calculations
• Calculate the acceleration of an object that changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
a=(vf-vi)/t a=(75 km/hr – 48 km/hr) / 27 hrsa= 27km/hr / 27 hr = 1 km/hr2
Write the answer in the answer section.Do not forget the units!
![Page 29: Speed Calculations. A cross-country runner runs 10 km in 40 minutes. What is his average speed? GivenF FormulaWorkAnswer.](https://reader035.fdocuments.us/reader035/viewer/2022062312/551c04e5550346a34f8b4de7/html5/thumbnails/29.jpg)
Acceleration Calculations
• Calculate the acceleration of an object that changes speed from 48 km/hr to a speed of 75 km/hr in 27 hrs.Given FGiven Formula Work Answer
vi=48 km/hrvf= 75 km/hrt = 27 hrs
a=(vf-vi)/t a=(75 km/hr – 48 km/hr) / 27 hrsa= 27km/hr / 27 hr = 1 km/hr2
a=1 km/hr2