gabrielaruby133 gabrielaruby133

14-03-2018
Physics

contestada

how high was a brick dropped from if if falls in 2.5 seconds?

Respuesta :

citroen citroen

14-03-2018

using the kinematic equation d = V_0 * t + 1/2 * a * t^2, where d is height you can rewrite this to be d = 1/2*g*t^2 or 4.9t^2
g = a because this is a free fall
d = 1/2 * 9.81m/s^2 * 2.5^2
d = 30.65625m
d = 30.7m

Answer Link

Otras preguntas

how was king James important to the survival of the jamestown settlers.

Which element is found in nature only in compounds? A. sodium B. helium C. oxygen D. nitrogen

Consider the function f(x) = the quantity x squared minus x minus 12 all over the quantity x plus 3. Describe the graph of this function. Include all discontinu

1. Which of the following best describe the economic boom in urban and rural America? 2. The Harlem Renaissance provided a voice to the African American culture

1. Louis Joliet discovered France in his early expeditions. TRUE or FALSE 2. Louis Joliet was the first European explorer born in Quebec. TRUE or FALSE 3. The e

For weathering and erosion to occur, what process will the rock usually go through first or at the same time?

the country was expanding westward and shifting from an agrarian society to industrial one. Which of the following authors wrote the social issues involved in t

It is quiet and peaceful at the library A. Simple B. Compound C. Complex

Find the LCM of 24 and 40. A. 24 B. 48 C. 96 D. 120

Why is it important to maintain comfort and well being in end of life care?