K.E=0.5mv^2
GPE=mgh
The child has both K.E and GPE


g is taken as 9.81
(x-1)(x+1)(x-3)(x+3)
x²-y² formula
Mark brainliest please
Answer:
19
Step-by-step explanation:
given:
f(x)=3x²-8
g(x)=4x+1
g(-1) = 4(-1)+1
g(-1) = -4 + 1
g(-1) = -3
hence
f[g(-1)]
= f(-3)
= 3(-3)²-8
= 3(9) - 8
= 19
Answer:
V= 42.41
Step-by-step explanation:

where r is the radius = 3 and h is the height = 4.5
×
× 
V = 42.41