Christinagarza392 Christinagarza392
  • 19-12-2019
  • Physics
contestada

How long will the ball be in the air if the cliff is 120 m tall and the ball falls to the base of the cliff?

Respuesta :

Stefanisaska
Stefanisaska Stefanisaska
  • 20-12-2019

Answer:

Explanation:

4.95s≈5s

Use equation :

h=G*t²/2

h=120m ----hight of cliff

G=9.81m/s²

t=?

-----------------------

h=G*t²/2

120m=9.81m/s²*t²/2

240m=9.81m/s²*t²

t²=240m/ 9.81m/s²

t²=24.46s

t=√24.46s²

t=4.95 s≈5s

Answer Link

Otras preguntas

In an election about 500,000 people voted in all.which number could be the exact number of people who voted in the election? a. 429,455 b. 441,689 c. 533,736 d.
Which of the ordered pairs in the form (x, y) is a solution of this equation? Three x minus begin fraction y over four end fraction equals eleven 3x-y/4=11 (3,
0.6 is 1/10 of what number
Which practice places citizens under absolute state control? imperialism nationalism racism totalitarianism
summarize the movement toward woman suffrage from 1913 to 1920
228 divided by 12 using base 10 blocks
What did the emancipation proclamation issued by president lincon do?
Which issue was of only little concern as people demonstrated against their governments during the “Arab Spring”? A. minimum wage B. harsh censorship C. governm
can i have a sentence using geocentric
Which describes the underlined word in the sentence? The boys were playing a game of chess. A. direct object B. predicate nominative C. indir