Watchin the Stars
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009 (part 1 of 2) 10.0 points
A person standing at the edge of a seaside
cliff kicks a stone over the edge with a speed
of 25 m/s. The cliff is 61 m above the water’s
surface, as shown.
The acceleration of gravity is 9.81 m/s2 .
25 m/s
61 m
a) How long does it take for the stone to fall
to the water?
Answer in units of s.
010 (part 2 of 2) 10.0 points
b) With what speed does the stone strike the
water?
Answer in units of m/s.
Okay so i got the first part of the problem which is 3.5265 m/s. But i don't understand what the second part is asking for or i don't understand how to get that. Wouldn't it just be 25 m/s?
A person standing at the edge of a seaside
cliff kicks a stone over the edge with a speed
of 25 m/s. The cliff is 61 m above the water’s
surface, as shown.
The acceleration of gravity is 9.81 m/s2 .
25 m/s
61 m
a) How long does it take for the stone to fall
to the water?
Answer in units of s.
010 (part 2 of 2) 10.0 points
b) With what speed does the stone strike the
water?
Answer in units of m/s.
Okay so i got the first part of the problem which is 3.5265 m/s. But i don't understand what the second part is asking for or i don't understand how to get that. Wouldn't it just be 25 m/s?