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

A circular ink spot has the circumference of 25.12 millimeters. A minute later, it has the circumference of 75.63 millimeters A. Estimate the diameter of the in

What is chain reaction?

Hubris affects the plot of Sophocles's Antigone mainly through the character of Creon. Which lines in this excerpt from the play highlight the nature of his hub

What is variation among members of different species called?

a triangular shape has an area of 70 square inches the height is 8 and three fourths what is an equation for this answer

During the Bronze Age, the invention of and improvements on the chariot helped the _____, Hyksos, and Egyptians build kingdoms through military conquests. Hopli

Which of the following words means "very soft"? a. Piano b. Pianissimo c. Forte d. Fortissimo

This ballot has such an enormous amount of information on it that it might be difficult to understand

Compare the expressions using <,>, or =: -19 and 6

How long would it take a sound wave from a car alarm to travel 1 km if the temperature is 0 degrees Celsius