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1. An object travels 16 \(m\) in 4 \(s\) and then another 16 \(m\) in 2 \(s\). What is the average speed of the object?
 
Solution:
 
The formula for the average speed is given as,
 
 
Substitute the known values,
 
Average Speed \(=\)  \(ms^{-1}\) [Enter your answer in two digits]
 
2. A sound is heard \(5\ s\) later than the lightning is seen in the sky on a rainy day. Find the distance of location of lightning?
 
Given the speed of sound \(=\) \(346\ ms^{-1}\)
 
Solution:
 
The formula to calculate the distance is,
 
 
Substitute the known values,
 
The distance of location of lightning \(=\)  \(m\).