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Answer: 1. 210 meters per second .
2. 756 kilometers per hour.
Step-by-step explanation:
Given : The formula to calculate the estimated speed, in meters per second of a tsunami.
1. If the disturbance occurred at an ocean depth of 4,500 meters.
Then put d= 4500 in the above formula , we get
Hence, if the disturbance occurred at an ocean depth of 4,500 meters , the estimated speed would be 210 meters per second .
Also, A meter per second is equal to 3.6 kilometers per hour.
i.e. 1 meter per second = 3.6 kilometers per hour
Then by unitary method ,
210 meters per second = kilometers per hour
=756 kilometers per hour.
In other words, what is <em>y</em> if <em>x</em> is 0.
Look on the graph, a line passes through point,
So we can conclude that at that very point the input <em>x</em> was 0 and the output <em>y</em> was -3 therefore,
Hope this helps.
<u>r3t40</u>