Answer:
distance between adjacent crests = 9000 km
Explanation:
given data
time period = 12 hours
amplitude = 1.50 m
speed = 750 km/hr
solution
we get here distance between adjacent crests that is express as
distance between adjacent crests = speed × time ..............1
put here value and we get
distance between adjacent crests = 750 × 12
distance between adjacent crests = 9000 km