Question
A school bus moves down a road, dropping off students after school. The bus slows down from a speed of 15 meters per second to a full stop over a distance of 55 meters in 11 seconds. What is the average speed, in meters per second, of the school bus while the bus is slowing down?
A.
3.7
B.
5.0
C.
26
D.
40
A.
3.7
B.
5.0
C.
26
D.
40
Answers
GPT-4o mini
To find the average speed of the school bus while it is slowing down, we can use the formula for average speed, which is given by:
\[
\text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}}
\]
From the problem, we know:
- Total Distance covered while slowing down = 55 meters
- Total Time taken to slow down = 11 seconds
Now we can calculate the average speed:
\[
\text{Average Speed} = \frac{55 \text{ meters}}{11 \text{ seconds}} = 5 \text{ meters per second}
\]
Thus, the average speed of the school bus while it is slowing down is:
\[
\boxed{5.0}
\]
\[
\text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}}
\]
From the problem, we know:
- Total Distance covered while slowing down = 55 meters
- Total Time taken to slow down = 11 seconds
Now we can calculate the average speed:
\[
\text{Average Speed} = \frac{55 \text{ meters}}{11 \text{ seconds}} = 5 \text{ meters per second}
\]
Thus, the average speed of the school bus while it is slowing down is:
\[
\boxed{5.0}
\]