Pr9ockmarthannieHug Pr9ockmarthannieHug
  • 02-04-2017
  • Physics
contestada

A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how long did it take the ball to fall to the ground?

Respuesta :

mathssydney
mathssydney mathssydney
  • 02-04-2017
v=u+at
49=0+9.8t
t=49/9.8
t = 5 (seconds)

Answer Link

Otras preguntas

What is 2+2? Does 2+2 have anything to do with the number 21? Do the Mayans and the Sons have a answer?
Who was the first Black president of South Africa? Barak Obama Martin Luther King Jr. Frederick de Klerk Nelson Mandela
When a nucleus emits an alpha particle, the mass number of the nucleus ____________. (2 points) a decreases b increases c remains the same d doubles
Which best describes global warming? A. It is the increase in Earth’s average surface temperature due to human activity. B. It is the trapping of heat energy du
you draw 4 cards from a deck of 52 cards with replacement what are the probabilities
On the coordinate grid, the graph of y = RootIndex 3 StartRoot negative x minus 1 EndRoot is shown. It is a reflection and translation of y = RootIndex 3 StartR
determine the mass of a sample of silver if 705 j of heat are required to raise its temperature from 25 c to 35 c. The specific heat of silver is 0.235 j/g c
Your friend is generally quiet and passive, but suddenly, they are passionately talking about hurting another person who is bothering them. Which of the followi
How the dorsal/ventral pattern is initially established in drosophila development
The federal government would most likely use this information to