Answer:
Water
Explanation:
windmills were used to bring water to farms in ancient times.
I think we will use the law of conservation of linear momentum;
M1V1 = M2V2
M1 = 4 kg (mass of the water balloon launcher)
V1=?
M2= 0.5 kg ( mass of the balloon)
V2 = 3 m/s
Therefore; 4 V1 = 0.5 × 3
4V1= 1.5
V1= 1.5/4
= 0.375 m/s
Answer:
They are both forms of energy. One has to do with hearing and the other a little bit of light.
Explanation:
In 2Cr2O7 there’s 2 items; Cr and O