Answer:
70 m/s
Explanation:
speed = √( g x depth ); where g = 9.8m/s²
given depth = 500m
equation becomes:
speed = √( g x depth )
= √( 9.8 x 500 )
=√4900
=70 m/s
70
v=√gd
v=√9.8*500
v=√4900
v=70 ms^-1
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