Ocean waves travel at the surface between air and water.
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Answer:
1.53 g
Explanation:
Given,
Initial speed = 30 m/s
Final speed = 0 m/s
Period of stretch, t = 2 s
average deceleration = ?
we know


a = -15 m/s²
Deceleration of the jumper = 15 m/s²
Deceleration in terms of g


Hence, the deceleration of the jumper is equal to 1.53 g
Answer:
Average speed in east direction
Explanation:
We have given average speed of the entire trip = 5 km/hr
First the car 4 hours then travels 12 km in 4 hours
So total time of the trip = 4+4 = 8 hours
So total distance traveled in the trip 
As the car travel 12 km in 4 hours to the west
So distance traveled in 4 hour in east = 40 -12 = 28 km
Time in east direction = 4 hour
So average speed in east direction 
I would say C i'm not 100% sure