High School

How long would it take to swim across a lake that is 900 meters across if you swim at 1.5 m/s?

a. What is the answer in seconds?
b. What is the answer in minutes?

Answer :

It will take about 600 seconds or 6 minutes to swim across the lake.

Speed/time problem

To calculate the time it would take to swim across the lake, we can use the formula:

time = distance ÷ speed

In this case, the distance is 900 meters and the speed is 1.5 m/s.

Plugging in the values, we get:

time = 900 meters ÷ 1.5 m/s = 600 seconds

Therefore, it would take 600 seconds to swim across the lake.

b. To convert the time to minutes, we can divide the answer in seconds by 60:

600 seconds ÷ 60 = 10 minutes

Therefore, it would take 10 minutes to swim across the lake.

More on speed can be found here: https://brainly.com/question/28224010

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Final answer:

It would take 600 seconds or 10 minutes to swim across a lake that is 900 meters across at a speed of 1.5 m/s.

Explanation:

To calculate the time it takes to swim across a lake that is 900 meters across at a speed of 1.5 m/s, you divide the distance by the speed:

Time (in seconds) = Distance / Speed = 900 meters / 1.5 m/s = 600 seconds.

To convert the time from seconds to minutes, divide by 60 (since there are 60 seconds in a minute):

Time (in minutes) = Time (in seconds) / 60 = 600 seconds / 60 = 10 minutes.