question_answer

An insect moves along the sides of a wall of dimensions \[12\,\,m\times 5\,\,m\] starting from one corner and reaches the diagonally opposite corner in\[2\,\,s\]. Find the ratio of the average speed to the average velocity of the insect.

A) \[17:13\]             

B)        \[12:5\]

C) \[13:5\] 

D)        \[17:12\]

Correct Answer: A

Solution :

 Ratio\[=\frac{Average\,\,speed}{Average\,\,velocity}=\frac{17}{13}\]