Answer:
26) 2 meters a second
27) 2 meters a second
28) 5 meters a second
29) 8 km
Explanation:
1/.5 =2
8/4=2
50/10=5
8km×1= 8
It will travel 7,560 m
63 x 120 = 7,560 m
In several of the questions you've posted during the past day, we've already said that a wave with larger amplitude carries more energy. That idea is easy to apply to this question.
If my math is right its A) 7
because 189 divided by 27 is 7