02.02 Speed Problems

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Study the graph shown. It is a graphic of a car trip taken by Karen and her mother. The starting position (0,0) is their home. (2 points) (Image features a graph with a green line position in miles goes upward to 80 however the peak position only goes to 75 or something) What is the average speed of the car for the first three hours of the trip?

20 miles/hour

Study the graph shown. It is a graphic of a car trip taken by Karen and her mother. The starting position (0,0) is their home. (2 points) (THE GRAPH IS ONCE AGAIN FEATURED< TIS' THIS THE AGE OF GRAPHS) What is the average speed of the car during the first two hours of the trip?

20 miles/hour

Study the graph shown. It is a graphic of a car trip taken by Karen and her mother. The starting position (0,0) is their home. (2 points) (GREEN LINE GRAPH: ENDGAME) How far did Karen and her mother travel during the second hour of the trip?

0 miles, (car broke down, they fixed the engine and are ready to go!)

Study the graph shown. It is a graphic of a car trip taken by Karen and her mother. The starting position (0,0) is their home. (2 points) (STOP USING THE SAME IMAGE) If Karen and her mother take three hours to come home, calculate the average speed of the car for the trip home.

25 miles/hour

Study the graph shown below. It is a graphic of a car trip taken by Karen and her mother. The starting position (0,0) is their home. (2 points) (Same image as the last question.) How far from the home did Karen and her mother travel during the first hour of the trip?

40 miles

Study the graph shown. It is a graphic of a car trip taken by Karen and her mother. The starting position (0,0) is their home. (2 points) (THE GREEN LINE GRAPH STRIKES BACK!) What is the average speed of the car during the first hour of the trip?

40 miles/hour

Study the graph shown. It is a graphic of a car trip taken by Karen and her mother. The starting position (0,0) is their home. (2 points) (IT IS STILL THE SAME IMAGE, HOW MANY TIMES ARE THEY USING THIS??) Identify the time period(s) during the trip when the car was traveling at the greatest average speed.

First hour

Study the graph shown. It is a graphic of a car trip taken by Karen and her mother. The starting position (0,0) is their home. (2 points) (AS YOU WOULD GUESS, IT IS STILL THE SAME GAHDAYANG GRAPH) Identify the time period(s) during the trip when the car was stopped.

Second and fifth hour

Every year, new records in track and field events are recorded. Let's take a historic look back at some exciting races.In 1989, Carl Lewis established a world record when he ran the 100. meter dash in 9.92 seconds. What was his average speed (in m/s) for the race? Remember to include your data, equation, and work when solving this problem. (5 points) Finally, peace and quiet from that graph!

d = 100m t = 09.92 v = 100/09.92 v = 10.0806 v = 10.1

Every year, new records in track and field events are recorded. Let's take a historic look back at some exciting races.On August 20, 1989, in Cologne, West Germany, Said Aouita of Morocco also established a world record when he ran the 3000. m run in 7 minutes, 29.45 seconds. What was his average speed (in m/s) for the race? Remember to include your data, equation, and work when solving this problem. (5 points) Still not the Karen graph, three cheers for His Majesty Said Aouita of Morocco.

d = 3000 t = 449.45 (time in absolute seconds) v = 3000/449.45 v = 6.6748 v = 6.67


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