The Potential Energy, is given by:

where:
m = mass of the object (in Kg)
g = gravity
h = height (in m)
Hence:

ANSWER
B. 19,600 J
x,y = 9,7. Took me a minute to do the math.
Answer:
if u need to evaluate or simplify its -13×to the 2nd power +35
Answer:
6x²-19x-36
Step-by-step explanation:
im pretty sure this is correct
Answer:
= 78
Step-by-step explanation:
x² + 5x - 6
when x = 7:
7² + 5*7 - 6
= 49 + 35 - 6
= 84 - 6
= 78