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

-6n - (4 - 9n) > 4 (n -5)

Which describes the law of conservation of energy? A:Energy cannot be created or destroyed. B:All energy turns to heat. C:The total energy of the sun is the sam

Xavier spent less than 2\5 of an hour walking home from school. Which fraction is less than 2\5? A5\7 B3\4 C5\10 D2\9

what are two equivalent equations for the equation 2.5(12-2x)+5(x+1)

The techniques of brainstorming and "blast! then refine" would be helpful to use during which step in the managerial decision-making process?

Which of the following is an example of a significant geographical influence on trade in Africa around 800 AD? 1.Camels transporting goods. 2.Cities springing

can someone demonstrate the process for solving y= 1/2x +4

A code that governs our behaviors in any certain situation is known as our code of what?a.ethicsb.virtues c.rightsd.laws

If (a+bi)^2=2abi, what must be the relationship between a and b? Show or explain your reasoning.

Nosotras nos _____ ponemos. (los vestidos) A. la B. lo C. las D. los