226,551 views
42 votes
42 votes
Help please please 100pts no trolls please

Help please please 100pts no trolls please-example-1
User Herpderp
by
2.8k points

2 Answers

14 votes
14 votes

Answer:

21.8

Explanation:

The formula is given :

  • v = √(19.6h)

Given that h = 24.3 m, we need to find v.

Substituting the value of h in the formula :

  • v = √(19.6)(24.3)
  • v = √476.28
  • v = 21.8 m/s (nearest tenth)
User Jeff Widman
by
3.1k points
10 votes
10 votes

Answer:

21.8 m/s

Explanation:

Given that Tom drops a object from a height of h meters and it hits the ground with a veloc8of v m/s and it is given by function ;


\longrightarrow v =√(19.6h)

We need to find out the velocity upon reaching the ground when it is dropped from a height of 24.3 m . On plugging in 24.3 in place of h we have ,


\longrightarrow v =√(19.6* 24.3 )\ m/s\\\\\longrightarrow v =√( 476.28) m/s \\\\\longrightarrow v = 21.823 \ m/s \\\\\longrightarrow \underline{\underline{ v = 21.8 \ m/s }}

And we are done !

User Vandench
by
3.1k points
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