こんにちは人々
False            
Answer:
:0 i dont know
Explanation:
Calculator 3
Calm Water in a pool 2
Water Balloons 1
Car Window 1
243J
K.E = 1/2 x 54 x 3^2
K.E = 1/2 x 54 x 9
K.E = 1/2 x 486
K.E = 486/2
K.E = 243J