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key stage 8 science - physics question 10 of 34 a boat sails for 80 minutes and travels 3.6km. what was its average speed in m/s' m/s

Question

Key Stage 8 Science - Physics Question 10 of 34 A boat sails for 80 minutes and travels 3.6km. What was its average speed in m/s' m/s Enter your answer as a number

Answer

4 (332 Votes)
Verificación de expertos
Dinah Master · Tutor for 5 years

Answer

0.75 m/s

Explanation

## Step 1:In this problem, we have the distance the boat travelled, which is 3.6 km, and the time the boat was sailing, which is 80 minutes. We are asked to find the average speed of the boat, presented in . ## Step 2:It's important to note that the units must be consistent when calculating the speed. Here the distance is in kilometers (km) and the time is in minutes. For the speed to be in , we need to convert the measurements to the desired units. We know that 1 kilometer is equals to 1000 meters and 1 minute is equals to 60 seconds. ## Step 3:First, convert 3.6 kilometers to meters, and 80 minutes to seconds. So , and .## Step 4:Then, substitute these values into the speed formula.### ## Step 5:Simplify the above fraction to calculate the speed.