The answer is b because 2S + L is equal to L + 2S.
Answer:343 m
Step-by-step explanation:
Given
launch velocity of object is 
height of Platform 
height of object is given by

For maximum height velocity of object is zero
i.e. 


Therefore after 1 sec object achieves maximum height


Step-by-step explanation:
is an irracional number it has infinetely many digits
you can factorize that as

a decimal aproach is
4.828...