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05 HO speed and velocity

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Objective: Describe and analyze motion in one dimension using equations with the concepts of speed, and average velocity.
Sharpstown High School
10/10
Name
Period
ο‚’ο‚’ο€ PROBLEMS for speed and velocity.
π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’
𝑑
βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—
βˆ†π‘₯
π‘‘π‘–π‘ π‘π‘™π‘Žπ‘π‘’π‘šπ‘’π‘›π‘‘
𝑠𝑝𝑒𝑒𝑑 =
𝑣=
βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—βƒ—
𝑣=
π‘Žπ‘£π‘’π‘Ÿπ‘Žπ‘”π‘’
π‘£π‘’π‘™π‘œπ‘π‘–π‘‘π‘¦
=
π‘‘π‘–π‘šπ‘’
𝑑
βˆ†π‘‘
π‘‘π‘–π‘šπ‘’
1. The train traveled 500 kilometers north to Odessa in 2 hours. What is the train’s speed? What is its
velocity?
Given:
Equation:
Substitution:
Unknown:
Solution:
2. Ann walked 1.5 miles south to her house in 0.5 hours. What is Ann’s speed? What is Ann’s velocity?
Given:
Equation:
Substitution:
Unknown:
Solution:
3. Jeremie ran around the track at the YMCA for 2 hours. When he was done he figured that he had traveled
20 kilometers. What was his speed? What was his velocity?
Given:
Equation:
Substitution:
Unknown:
Solution:
4. The race car was moving for 3.7 hours and during that time moved 500 miles east. What is the speed?
What is the velocity?
Given:
Equation:
Substitution:
Unknown:
Solution:
ο‚’ο‚’ο€ PROBLEMS for distance.
π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’
𝑠𝑝𝑒𝑒𝑑 =
π‘‘π‘–π‘šπ‘’
π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’ = 𝑠𝑝𝑒𝑒𝑑 ∗ π‘‘π‘–π‘šπ‘’
𝑑 =𝑣∗t
5. If you travel for three hours at a speed of 30 km/h, how far will you go?
Given:
Equation:
Substitution:
Unknown:
Solution:
6. Mike is driving west on I-80 for 1.5 hours at a speed of 70 miles per hour. What is his distance?
Given:
Equation:
Substitution:
Unknown:
ο€ 
ο‚’ο‚’ο€ PROBLEMS for time.
π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’ = 𝑠𝑝𝑒𝑒𝑑 ∗ π‘‘π‘–π‘šπ‘’
Solution:
π‘‘π‘–π‘šπ‘’ =
π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’
𝑠𝑝𝑒𝑒𝑑
7. If you are traveling at 75 km/h how long will it take to travel 32 km?
Given:
Equation:
Substitution:
Unknown:
Solution:
8. How long will it take to travel 78 miles if you are traveling at 65 miles per hour?
Given:
Equation:
Substitution:
Unknown:
Solution:
𝑑=
𝑑
𝑣
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