Answer:
-400km/hr
Explanation:
Velocity=displacement/time
=400/1
=400Km/hr
=-400km/hr (because west direction)
Answer:
option a is correct
Explanation:
<h2>I hope it's help you ❣️❣️</h2>
<span>Which electromagnetic waves have the shortest wavelengths and highest frequencies?
Gamma rays </span>
To the Earth in less than ten minutes.
