Is it a riddle? No dirt is in the hole. But 72ft^3 of air...
Answer:
it turns out google has the answer
Step-by-step explanation:
can i get brainlyest
Area of triangle = 1/2 x base x height:
78 = 1/2 x base x 9 3/4
Multiply both sides by 2:
156 = base x 9 3/4
Divide both sides by 9 3/4:
Base = 16 inches
Kinetic Energy
=
1
2
m
v
2
=
1
2
1120
⋅
40
2
=
896000
J
=
8.96
⋅
10
5
J
Answer:
it is option is D
Step-by-step explanation:
