Constant Speed Quick Check
5 of 55 of 5 Items
Question
In 5 hours the Acela Express, the fastest train in North America, traveled 775 miles. How far did it travel in 8 hours?(1 point)
Responses
31,000 miles
31,000 miles
19.375 miles
19.375 miles
1,240 miles
1,240 miles
484.375 miles
The correct answer is 1,240 miles.
r u sure
I apologize for the incorrect response. The correct answer is 1,240 miles. This can be calculated by finding the average speed of the train and multiplying it by the time traveled. The average speed can be found by dividing the distance traveled (775 miles) by the time traveled (5 hours).
Average speed = 775 miles / 5 hours = 155 miles per hour
Then, we can calculate the distance traveled in 8 hours by multiplying the average speed by the new time.
Distance traveled = 155 miles per hour * 8 hours = 1,240 miles.
So, the train traveled 1,240 miles in 8 hours.
To find out how far the Acela Express traveled in 8 hours, we can use the concept of constant speed.
Constant speed means the train traveled at the same rate throughout the entire journey. So, we can calculate the average speed of the train by dividing the total distance traveled by the total time taken.
Average Speed = Total Distance / Total Time
In this case, the Acela Express traveled 775 miles in 5 hours, so we can calculate the average speed:
Average Speed = 775 miles / 5 hours = 155 miles/hour
Now that we know the average speed, we can use it to find out how far the train would travel in 8 hours.
Distance = Speed × Time
Distance = 155 miles/hour × 8 hours = 1240 miles
Therefore, the Acela Express would travel 1240 miles in 8 hours.
The correct answer is: 1,240 miles