Question

A car travels 120 km at a speed of 60 km h- and returns with a speed of 40 km h' Calculate the average speed and average velocity for the whole journey.v
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Answer 1

Answer:

This the Answer this may help u

Answer 2

Using speed =
Time
Distance
​


⇒Time=
speed
distance
​

We have total time =
60
100
​
+
40
100
​
=
6
25
​
Hr

Now, Average speed =
Time
(tot)
​

Distance
(tot)
​

​
=
6
25
​

200
​


⇒ Average spped =
25
1200
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