devumdesai devumdesai
  • 14-08-2019
  • Physics
contestada

A brick is dropped from rest from a height of 4.9 m. How long does it take for the brick to
reach the ground?

Respuesta :

onething22
onething22 onething22
  • 14-08-2019

Answer:

t=1s

Explanation:

Using the formula

s=ut+1/2at^2

4.9 = (0)(t) + 1/2(9.8)(t^2)

4.9 = 4.9(t^2)

t^2 = 1

t = 1

Answer Link

Otras preguntas

Mrs . Martin has $7,000 in her savings account . Alonzo has 1/10 as much money in his account as mrs. Martin . How much money does Alonzo have in his account
A fraction less than 5/6 and has a denominator of 8How do I figure this out?
26+6b greater than or equal to 2(3b+4)?
This word is something a teacher might give you in school grade or test ? Thanks
What multiplies to -102 and adds up to 11
What are two traits of pseudoscience
what is 3476 divided by 6
i do not know what to do expanded form of 114006
Round each number to the nearest whole number. What is the best estimate for the sum of 225.45 + 90.32? a. 310 b. 315 c. 316 d. 320
how many times does 3 go into 89