Answer:
Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space.
Explanation:
Answer: 13.0m/s
26sin(30)=v in y-direction or vertical direction
v=26m/s*sin(30)=26m/s*(1/2)=13.0m/s
Davis Cup
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