volleyballfun24
volleyballfun24 volleyballfun24
  • 02-02-2019
  • Physics
contestada

How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? What is the pebble's speed when it has fallen 29.4 m ?

Respuesta :

hrzlatevski
hrzlatevski hrzlatevski
  • 03-02-2019

Data given:

Δx=29,4m

Data needed:

t=?

v=?

Formula needed:

v=√2gh

v=Δx/t

Solution:

v=√2×9,81×29,4

v=24m/s

t=Δx/v

t=1,225s

Answer Link

Otras preguntas

how many inches alltogether is 5'7''?
evaluate: |4 - 8(3 - 12)| - |5 - 11| =
what is the volume of a cube with 1/2 inch sides?
Based on what you know about Russian climates, which city would likely be the most difficult to travel to? Moscow Volgograd Noril'sk Novgorod
What is the value of x in the figure? (Figure included.)
which best describes the colonists attitude toward american indians
2/10 in whole number
Describe how the lac operon functions, and explain how it permits E. coli to produce the enzymes needed to break down lactose when it is present in the bacteriu
round 65.145 meters to 4 significant figures
12. The lengths of two line segments are shown. If the two line segments have the same measure, find x and the length of the line segment. x = _______ Length of