First one because thats simple
I just took the test and the correct answer that i got was B
C'=1.5
c/c'=d/d'
c/1.5=8
c=12
hope that helps :)
Answer:1.32 s
Step-by-step explanation:
Given
The initial height of ball H=2 m
Initial velocity u=5 m/s
Height of ball at any instant is given by

The ball will hit the ground when h=0

Answer:
The answer is 12249580
Step-by-step explanation:
add all the numbers:)