Respuesta :

Step-by-step explanation:

2. 400m÷20secs=20m/secs

3. 50m÷10secs=5m/secs

4. 90m÷45secs=2m/secs

5. 395000m÷9000secs=43.89m/secs

6. 16km÷0.25hr=64km/hrs

7. 50m÷3secs=16.67m/secs

8. 70m÷2hrs= 2hrs÷60secs=7200

70m÷7200secs=0.01m/sec

Answer:

Step-by-step explanation:

2. 400m÷20secs=20m/secs

3. 50m÷10secs=5m/secs

4. 90m÷45secs=2m/secs

5. 395000m÷9000secs=43.89m/secs

6. 16km÷0.25hr=64km/hrs

7. 50m÷3secs=16.67m/secs

8. 70m÷2hrs= 2hrs÷60secs=7200

70m÷7200secs=0.01m/sec