Question

A running relay team ran a 400 meter race in a record-setting time of 36 seconds. What was their average speed to the nearest tenth of a meter per second?

Answer 1

Given:

A running relay team ran a 400-meter race in a record-setting time of 36 seconds.

To find:

The average speed of the team

Solution:

The speed of any of the objects is the ratio of the distance traveled by the object to the time taken to cover that particular distance.

And in this case, we have to find the value of the average speed of the given condition so we have to find the ratio of the distance and the time only to get the speed.

In the given question:

the length of the track is = 400m

which is the distance to be covered only

and the fixed time to cover that race is 36 sec

to find the speed put the given values in the formula

Speed = Distance/Time taken

• S = 400/36
• S = 100/9
• S = $11\frac{1}{9}$ m/sec

Hence the average speed of the team is $11\frac{1}{9}$ m/sec

Answer 2

Answer:

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