to what height will a 250g soccer ball rise to if it is kicked directly upwards at 8 meters per second
2 answers:
Answer:
The ball will get upto the height of 3.26 meters.
Explanation:
Initial velocity of the ball = u = 8 m/s
final velocity of the ball = v = 0 m/s ( upward)
Acceleration due to gravity ,a= -g =
Height of the ball when kicked = s
Using third equation of motion :
The ball will get upto the height of 3.26 meters.
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If you look at the equation and break it down you can see that in:
Starting from the left side of the equation there are 2 Nitrogen atoms, and 2 oxygen atoms as indicated by the subscript.
To balance the equation, the number of atoms of each element in the right side equation should be equal to left. By putting the numerical coefficient of 2, you will distribute that to each element. So you will end up with 2 nitrogen atoms and 2 oxygen atoms on the left side of the equation. Thus, the equation is balanced.
The answer again, is B.