30,502 views
1 vote
1 vote
A student drops a rock off a 5.0 meter cliff. If we ignore air resistance, how long will it take the rock to strike the water below?

User Ryukote
by
3.0k points

2 Answers

14 votes
14 votes

Answer:

0.71 s

Step-by-step explanation:

The formula used will be the formula for a free falling object acted on by gravity.

Time/Period(T) = √[Length/Distance(L)]/[Acc'n due

to gravity(g)]

T = √[5m/9.8m/s²]

T = 0.71 s

User Fernando Valente
by
2.8k points
17 votes
17 votes
if imma be honest w u I don’t know
User Cagatay Ulubay
by
2.5k points