Question

A car covers the first half of the distance between two places at 40kmph and the second half of the distance at 60kmph calculate average speed

Answer 1

Answer:

average speed is 48km/hr

Step-by-step explanation:

average speed=

$\frac{total \: distance}{total \: time}$d

-------

t1+t2

= d

------

d/2 d/2

-------- ----------

40 + 60

2

----------

1/40 +1/60

= 2

-------

3+2

--------

120

= 2×120

------------

5

= 48 km/hr

: our average speed is 48 km/ hr.

hope its helpfull .

please mark me as brainleast