Question

Question 5. An object travels 40m in 5 sec and
then another 80m in 5 sec. What is the average
speed of the object?
(a) 12 m/s
(b) 6 m/s
(c) 2 m/s
(d) 0 m/s​

Answer 1

$average \: speed \: = \frac{total \: distance \: covered}{total \: time \: taken}$

$average \: speed \: = \frac{40 + 80}{ 5+ 5} \\ = > \frac{120}{1 0 } \\ = > 12 \: m | s$

Answer 2

Answer:

12 m/s

Explanation: