Question

d) Asha reads that the women's Olympic record for swimming 100 m is 52.7 seconds. This means that the record holder swam at an average speed of 1.9 metres per second A goldfish can swim at a speed of about 0.9 miles per hour. Did the Olympic record holder swim faster than a goldfish? Show how you decide. o This conversion graph will help you. [4 1.5

Answer 1

The Olympic record holder for the women's 100 m freestyle swims faster than a goldfish. The swimmer's average speed is 1.9 metres per second, while after conversion, the goldfish's speed is approximately 0.403 metres per second.

Step-by-step explanation:

To determine if the Olympic record holder for the women's 100 m freestyle swims faster than a goldfish, we must compare their speeds. The record holder's average speed is given as 1.9 metres per second, while the goldfish's speed is given as 0.9 miles per hour. To compare these, we need to convert one of the speeds to the other's units. We'll convert the goldfish's speed to metres per second.

First, we know that 1 mile is equivalent to 1609.34 metres, and there are 3600 seconds in one hour. So, if a goldfish swims at 0.9 miles per hour, in metres per second that would be:

0.9 miles/hour * (1609.34 metres/mile) / (3600 seconds/hour) = 0.402595 metres/second

Comparing the speeds:

• Olympic swimmer: 1.9 metres/second
• Goldfish: 0.402595 metres/second

The Olympic swimmer's average speed of 1.9 metres/second is clearly faster than the goldfish's speed of 0.402595 metres/second.

Answer 2

The Solution:

Given:

Record holder = 1.9 meters/second.

gold fish = 0.9 miles/hour

We are required to show whether the Olympic record holder can swim faster than a goldfish.

Compare the given values.

Converting goldfish 0.9 miles/hour to meters per second.

Recall:

`\begin{gathered} 1\text{ miles per hour}=0.44704\text{ meters per second } \\ \text{ So,} \\ 0.9\text{ miles per hour}=0.402336\text{ meter per second} \end{gathered}`

Comparing these values:

`\begin{gathered} 1.9\text{ meters per second is greater than 0.402336 meter per hour} \\ \text{ So,} \\ Olympic\text{ recorder holder is faster than a goldfish.} \end{gathered}`

Therefore, the correct answer is the Olympic record holder is faster.