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

pauletta detweiler is paid a salary or $325 a week plus 2 3/4 % commission on weekly sales over $6,500. her sales last week totaled $17,400. what were her total
The world's oldest known religion is _____
What is 386.05679 rounded to the nearest hundredths ?
What is 230 in scientific notation
Which of the following statements is true? a. Money is a medium of exchange. c. Money serves as a store of value. b. Money is a unit of account. d. all of the a
order from least to greatest 0.6 4/5 0.75
a pelican flies at a speed of 52 km/h for 0.25 hours . how many miles does the pelican travel ? the conversion factor is 1.6 km/h = 1.0 mph
what is 3,397 rounded yo the nearest thousand
According to Islamic law, Muslims are forbidden to __________. a. eat meat b. drive a car c. drink alcohol d. join the military
Akkad's territory encompassed most of the Fertile Crescent. a. Yes b. No