angelcastillo23079
angelcastillo23079 angelcastillo23079
  • 21-10-2019
  • Physics
contestada

From what height should you drop a ball if you want it to hit the ground in exactly 3 seconds?

Respuesta :

MathPhys
MathPhys MathPhys
  • 21-10-2019

Answer:

44.1 m

Explanation:

Given:

v₀ = 0 m/s

a = -9.8 m/s²

t = 3 s

Find: Δy

Δy = v₀ t + ½ at²

Δy = (0 m/s) (3 s) + ½ (-9.8 m/s²) (3 s)²

Δy = -44.1 m

The ball should be dropped from 44.1 meters.

Answer Link

Otras preguntas

Which newspaper broke the story on the watergate break-in and cover-up? a. the washington post b. the new york times c. the chicago tribune d. the london ti
What is 1.58 in standard form?
21:30 as fraction decimal and a percent
what are the nine body parts
Who was the leader of the aztecs at the time of Cortes arrival
Find the algebraic expression for the word phrase 7 less than p a. p 7 b. p-7 c. p(7) d. 7-p
A loan has a due date of November 20. If it is made on August 21, for how many days is the loan?
a plane travels 704 miles to Las Vegas and back. the trip there was with the wind. it took 8 hours. the trip back was into,the wind. The trip back took 11 hours
Style refers to __________.
Mot de même famille que lire