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

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

what is 40+40×0+1=? and can the answer be squared

In what ways is Juliet like Psyche? Select all that apply. 1. She is in love with "love." 2. She is willing to "visit" death in order to restore her love. 3.

Particles of soil often differ greatly from the underlying bedrock in color, mineral compoition, and organic content. Which conclusion about these soil particle

Leasees number from least to greatest 0.5 and 3/16 and 0.5 and 5/48

which amendment did the Hollywood 10 cite in their refusal to answer the whether they were or were not communists?

Evaluate p-q if =-6 and q=14

Analizati adjectivele din textul urmator, dupa modelul dat. In curtea larga, cocosii frumosi se infruntau.Ei aveu pieptul lucios si pene albastrii.Creasta rosie

what is 40+40×0+1=? and can the answer be squared

Where did the Cuban exiles first train?

luzzy has 5 boxrs she uses3 how many boxes sre left?